diff --git a/abstract-document/pom.xml b/abstract-document/pom.xml
index 85215a021..766deabb3 100644
--- a/abstract-document/pom.xml
+++ b/abstract-document/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <artifactId>java-design-patterns</artifactId>
         <groupId>com.iluwatar</groupId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <artifactId>abstract-document</artifactId>
     <dependencies>
diff --git a/abstract-factory/pom.xml b/abstract-factory/pom.xml
index e3129f6f0..f1d37068c 100644
--- a/abstract-factory/pom.xml
+++ b/abstract-factory/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>abstract-factory</artifactId>
   <dependencies>
diff --git a/adapter/pom.xml b/adapter/pom.xml
index 83462f28c..aa87cb8d5 100644
--- a/adapter/pom.xml
+++ b/adapter/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>adapter</artifactId>
   <dependencies>
diff --git a/aggregator-microservices/aggregator-service/pom.xml b/aggregator-microservices/aggregator-service/pom.xml
index 64b27f12d..1a7c75845 100644
--- a/aggregator-microservices/aggregator-service/pom.xml
+++ b/aggregator-microservices/aggregator-service/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <artifactId>aggregator-microservices</artifactId>
         <groupId>com.iluwatar</groupId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/aggregator-microservices/information-microservice/pom.xml b/aggregator-microservices/information-microservice/pom.xml
index 3cb68099b..2a323e06d 100644
--- a/aggregator-microservices/information-microservice/pom.xml
+++ b/aggregator-microservices/information-microservice/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <artifactId>aggregator-microservices</artifactId>
         <groupId>com.iluwatar</groupId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/aggregator-microservices/inventory-microservice/pom.xml b/aggregator-microservices/inventory-microservice/pom.xml
index 027105e7f..145f1d430 100644
--- a/aggregator-microservices/inventory-microservice/pom.xml
+++ b/aggregator-microservices/inventory-microservice/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <artifactId>aggregator-microservices</artifactId>
         <groupId>com.iluwatar</groupId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/aggregator-microservices/pom.xml b/aggregator-microservices/pom.xml
index a38975177..e7ff8819c 100644
--- a/aggregator-microservices/pom.xml
+++ b/aggregator-microservices/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <artifactId>java-design-patterns</artifactId>
         <groupId>com.iluwatar</groupId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>aggregator-microservices</artifactId>
diff --git a/api-gateway/api-gateway-service/pom.xml b/api-gateway/api-gateway-service/pom.xml
index 3bd2392fa..4e820b0f5 100644
--- a/api-gateway/api-gateway-service/pom.xml
+++ b/api-gateway/api-gateway-service/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <artifactId>api-gateway</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>api-gateway-service</artifactId>
diff --git a/api-gateway/image-microservice/pom.xml b/api-gateway/image-microservice/pom.xml
index d42b31933..73bc99c48 100644
--- a/api-gateway/image-microservice/pom.xml
+++ b/api-gateway/image-microservice/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <artifactId>api-gateway</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/api-gateway/pom.xml b/api-gateway/pom.xml
index de2b3f099..dd07d1828 100644
--- a/api-gateway/pom.xml
+++ b/api-gateway/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>api-gateway</artifactId>
diff --git a/api-gateway/price-microservice/pom.xml b/api-gateway/price-microservice/pom.xml
index 8a9a6f379..6cb04d753 100644
--- a/api-gateway/price-microservice/pom.xml
+++ b/api-gateway/price-microservice/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <artifactId>api-gateway</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/async-method-invocation/pom.xml b/async-method-invocation/pom.xml
index dc5b64404..dda91cfce 100644
--- a/async-method-invocation/pom.xml
+++ b/async-method-invocation/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>async-method-invocation</artifactId>
   <dependencies>
diff --git a/balking/pom.xml b/balking/pom.xml
index ad066aee6..f33a74fdb 100644
--- a/balking/pom.xml
+++ b/balking/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/bridge/pom.xml b/bridge/pom.xml
index ec04ff395..f67ec274b 100644
--- a/bridge/pom.xml
+++ b/bridge/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>bridge</artifactId>
   <dependencies>
diff --git a/builder/pom.xml b/builder/pom.xml
index 305de70bd..69177f27b 100644
--- a/builder/pom.xml
+++ b/builder/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>builder</artifactId>
   <dependencies>
diff --git a/business-delegate/pom.xml b/business-delegate/pom.xml
index d5fde8ea3..fa8f1658d 100644
--- a/business-delegate/pom.xml
+++ b/business-delegate/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<artifactId>business-delegate</artifactId>
 	<dependencies>
diff --git a/caching/pom.xml b/caching/pom.xml
index 6d866eb03..632f9d70a 100644
--- a/caching/pom.xml
+++ b/caching/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>caching</artifactId>
   <dependencies>
diff --git a/callback/pom.xml b/callback/pom.xml
index 2b8d1fec6..f07bc276a 100644
--- a/callback/pom.xml
+++ b/callback/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>callback</artifactId>
   <dependencies>
diff --git a/chain/pom.xml b/chain/pom.xml
index 81aaf7e1f..1a3d0be20 100644
--- a/chain/pom.xml
+++ b/chain/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>chain</artifactId>
   <dependencies>
diff --git a/command/pom.xml b/command/pom.xml
index e50be3e3d..e7810fb03 100644
--- a/command/pom.xml
+++ b/command/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>command</artifactId>
   <dependencies>
diff --git a/composite/pom.xml b/composite/pom.xml
index 107502963..5b5e2a0bc 100644
--- a/composite/pom.xml
+++ b/composite/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>composite</artifactId>
   <dependencies>
diff --git a/converter/pom.xml b/converter/pom.xml
index 01f1171a1..350bf4d7f 100644
--- a/converter/pom.xml
+++ b/converter/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <artifactId>java-design-patterns</artifactId>
         <groupId>com.iluwatar</groupId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <dependencies>
diff --git a/dao/pom.xml b/dao/pom.xml
index 374a1c14c..5f23fbd12 100644
--- a/dao/pom.xml
+++ b/dao/pom.xml
@@ -30,7 +30,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>dao</artifactId>
 
diff --git a/data-mapper/pom.xml b/data-mapper/pom.xml
index c23868a4e..1d5a05e60 100644
--- a/data-mapper/pom.xml
+++ b/data-mapper/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<artifactId>data-mapper</artifactId>
 	<dependencies>
diff --git a/decorator/pom.xml b/decorator/pom.xml
index 51684065c..ae3eb99ec 100644
--- a/decorator/pom.xml
+++ b/decorator/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>decorator</artifactId>
   <dependencies>
diff --git a/delegation/pom.xml b/delegation/pom.xml
index cf0349024..a6f18882d 100644
--- a/delegation/pom.xml
+++ b/delegation/pom.xml
@@ -30,7 +30,7 @@
     <parent>
         <artifactId>java-design-patterns</artifactId>
         <groupId>com.iluwatar</groupId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dependency-injection/pom.xml b/dependency-injection/pom.xml
index 603bb2c05..eb83e5321 100644
--- a/dependency-injection/pom.xml
+++ b/dependency-injection/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>dependency-injection</artifactId>
   <dependencies>
diff --git a/double-checked-locking/pom.xml b/double-checked-locking/pom.xml
index 0b0541b8f..f73ff254b 100644
--- a/double-checked-locking/pom.xml
+++ b/double-checked-locking/pom.xml
@@ -27,7 +27,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>double-checked-locking</artifactId>
   <dependencies>
diff --git a/double-dispatch/pom.xml b/double-dispatch/pom.xml
index b15e76f88..ce2520aef 100644
--- a/double-dispatch/pom.xml
+++ b/double-dispatch/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>double-dispatch</artifactId>
   <dependencies>
diff --git a/event-aggregator/pom.xml b/event-aggregator/pom.xml
index 3bf8c281b..ed5113f59 100644
--- a/event-aggregator/pom.xml
+++ b/event-aggregator/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<artifactId>event-aggregator</artifactId>
 	<dependencies>
diff --git a/event-asynchronous/pom.xml b/event-asynchronous/pom.xml
index 9fecfa606..5aa2eef38 100644
--- a/event-asynchronous/pom.xml
+++ b/event-asynchronous/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>event-asynchronous</artifactId>
   <dependencies>
diff --git a/event-driven-architecture/pom.xml b/event-driven-architecture/pom.xml
index 2ced1abda..1ddc66232 100644
--- a/event-driven-architecture/pom.xml
+++ b/event-driven-architecture/pom.xml
@@ -31,7 +31,7 @@
     <parent>
         <groupId>com.iluwatar</groupId>
         <artifactId>java-design-patterns</artifactId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
 
     <artifactId>event-driven-architecture</artifactId>
diff --git a/execute-around/pom.xml b/execute-around/pom.xml
index acc36b4b4..f07fe309e 100644
--- a/execute-around/pom.xml
+++ b/execute-around/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>execute-around</artifactId>
   <dependencies>
diff --git a/facade/pom.xml b/facade/pom.xml
index 0f1fa8688..97dc8c338 100644
--- a/facade/pom.xml
+++ b/facade/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>facade</artifactId>
   <dependencies>
diff --git a/factory-kit/pom.xml b/factory-kit/pom.xml
index f356fc3b8..06cf9b7e3 100644
--- a/factory-kit/pom.xml
+++ b/factory-kit/pom.xml
@@ -30,7 +30,7 @@
     <parent>
         <groupId>com.iluwatar</groupId>
         <artifactId>java-design-patterns</artifactId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <artifactId>factory-kit</artifactId>
     <dependencies>
diff --git a/factory-method/pom.xml b/factory-method/pom.xml
index d6359ff03..a7625ff64 100644
--- a/factory-method/pom.xml
+++ b/factory-method/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>factory-method</artifactId>
   <dependencies>
diff --git a/feature-toggle/pom.xml b/feature-toggle/pom.xml
index e2635f228..46e558c2d 100644
--- a/feature-toggle/pom.xml
+++ b/feature-toggle/pom.xml
@@ -30,7 +30,7 @@
     <parent>
         <artifactId>java-design-patterns</artifactId>
         <groupId>com.iluwatar</groupId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/fluentinterface/pom.xml b/fluentinterface/pom.xml
index 8d815079c..b26c29fb4 100644
--- a/fluentinterface/pom.xml
+++ b/fluentinterface/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <artifactId>java-design-patterns</artifactId>
         <groupId>com.iluwatar</groupId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/flux/pom.xml b/flux/pom.xml
index aa0c95796..667e851f5 100644
--- a/flux/pom.xml
+++ b/flux/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>flux</artifactId>
   <dependencies>
diff --git a/flyweight/pom.xml b/flyweight/pom.xml
index 2c210a0ca..162402ab0 100644
--- a/flyweight/pom.xml
+++ b/flyweight/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>flyweight</artifactId>
   <dependencies>
diff --git a/front-controller/pom.xml b/front-controller/pom.xml
index 11802d2f5..88d7bcebc 100644
--- a/front-controller/pom.xml
+++ b/front-controller/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<artifactId>front-controller</artifactId>
 	<dependencies>
diff --git a/guarded-suspension/pom.xml b/guarded-suspension/pom.xml
index b51de54e1..12b7efbc7 100644
--- a/guarded-suspension/pom.xml
+++ b/guarded-suspension/pom.xml
@@ -30,7 +30,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <packaging>jar</packaging>
   <artifactId>guarded-suspension</artifactId>
diff --git a/half-sync-half-async/pom.xml b/half-sync-half-async/pom.xml
index 4b3285ff1..7a199b09c 100644
--- a/half-sync-half-async/pom.xml
+++ b/half-sync-half-async/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>half-sync-half-async</artifactId>
   <dependencies>
diff --git a/hexagonal/pom.xml b/hexagonal/pom.xml
index 2cf88b626..0557aa545 100644
--- a/hexagonal/pom.xml
+++ b/hexagonal/pom.xml
@@ -30,7 +30,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>hexagonal</artifactId>
   <dependencies>
diff --git a/intercepting-filter/pom.xml b/intercepting-filter/pom.xml
index 2c23edff2..d02047137 100644
--- a/intercepting-filter/pom.xml
+++ b/intercepting-filter/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>intercepting-filter</artifactId>
   <dependencies>
diff --git a/interpreter/pom.xml b/interpreter/pom.xml
index a932e10b4..743326b48 100644
--- a/interpreter/pom.xml
+++ b/interpreter/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>interpreter</artifactId>
   <dependencies>
diff --git a/iterator/pom.xml b/iterator/pom.xml
index 3fcdd9852..74ad6fed4 100644
--- a/iterator/pom.xml
+++ b/iterator/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>iterator</artifactId>
   <dependencies>
diff --git a/layers/pom.xml b/layers/pom.xml
index 13604cb0e..3d012389d 100644
--- a/layers/pom.xml
+++ b/layers/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<groupId>com.iluwatar.layers</groupId>
 	<artifactId>layers</artifactId>
diff --git a/lazy-loading/pom.xml b/lazy-loading/pom.xml
index 2ed0a1020..d4d4ba144 100644
--- a/lazy-loading/pom.xml
+++ b/lazy-loading/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>lazy-loading</artifactId>
   <dependencies>
diff --git a/mediator/pom.xml b/mediator/pom.xml
index b9fda50a5..7b20330af 100644
--- a/mediator/pom.xml
+++ b/mediator/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>mediator</artifactId>
   <dependencies>
diff --git a/memento/pom.xml b/memento/pom.xml
index e6cd095d9..eeef15c41 100644
--- a/memento/pom.xml
+++ b/memento/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>memento</artifactId>
   <dependencies>
diff --git a/message-channel/pom.xml b/message-channel/pom.xml
index 98b2a0c2e..6198e6ffa 100644
--- a/message-channel/pom.xml
+++ b/message-channel/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<artifactId>message-channel</artifactId>
 	<dependencies>
diff --git a/model-view-controller/pom.xml b/model-view-controller/pom.xml
index 29823d9e8..82fabee55 100644
--- a/model-view-controller/pom.xml
+++ b/model-view-controller/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>model-view-controller</artifactId>
   <dependencies>
diff --git a/model-view-presenter/pom.xml b/model-view-presenter/pom.xml
index 6c43a0048..9d3ccdf6b 100644
--- a/model-view-presenter/pom.xml
+++ b/model-view-presenter/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>model-view-presenter</artifactId>
   <name>model-view-presenter</name>
diff --git a/module/pom.xml b/module/pom.xml
index 8920916cb..f1338d3e6 100644
--- a/module/pom.xml
+++ b/module/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<artifactId>module</artifactId>
 	<dependencies>
diff --git a/monad/pom.xml b/monad/pom.xml
index 63d6431db..adb0b3b4f 100644
--- a/monad/pom.xml
+++ b/monad/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <groupId>com.iluwatar</groupId>
         <artifactId>java-design-patterns</artifactId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <artifactId>monad</artifactId>
     <dependencies>
diff --git a/monostate/pom.xml b/monostate/pom.xml
index bc025fdeb..498e79b06 100644
--- a/monostate/pom.xml
+++ b/monostate/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>monostate</artifactId>
   <dependencies>
diff --git a/multiton/pom.xml b/multiton/pom.xml
index 34cc4ae8d..aabc72576 100644
--- a/multiton/pom.xml
+++ b/multiton/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>multiton</artifactId>
   <dependencies>
diff --git a/mute-idiom/pom.xml b/mute-idiom/pom.xml
index d68b016f9..036bb759b 100644
--- a/mute-idiom/pom.xml
+++ b/mute-idiom/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<artifactId>mute-idiom</artifactId>
 	<dependencies>
diff --git a/mutex/pom.xml b/mutex/pom.xml
index d42a2fdab..a12ba29da 100644
--- a/mutex/pom.xml
+++ b/mutex/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>mutex</artifactId>
   <dependencies>
diff --git a/naked-objects/dom/pom.xml b/naked-objects/dom/pom.xml
index 39560b5c0..895a8a8d2 100644
--- a/naked-objects/dom/pom.xml
+++ b/naked-objects/dom/pom.xml
@@ -16,7 +16,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>naked-objects</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 
 	<artifactId>naked-objects-dom</artifactId>
diff --git a/naked-objects/fixture/pom.xml b/naked-objects/fixture/pom.xml
index a96c24626..b11796435 100644
--- a/naked-objects/fixture/pom.xml
+++ b/naked-objects/fixture/pom.xml
@@ -16,7 +16,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>naked-objects</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 
 	<artifactId>naked-objects-fixture</artifactId>
diff --git a/naked-objects/integtests/pom.xml b/naked-objects/integtests/pom.xml
index 32ec4cd6b..d44c045f4 100644
--- a/naked-objects/integtests/pom.xml
+++ b/naked-objects/integtests/pom.xml
@@ -16,7 +16,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>naked-objects</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 
 	<artifactId>naked-objects-integtests</artifactId>
diff --git a/naked-objects/pom.xml b/naked-objects/pom.xml
index d8acdc745..c71209513 100644
--- a/naked-objects/pom.xml
+++ b/naked-objects/pom.xml
@@ -15,7 +15,7 @@
 	<parent>
 		<artifactId>java-design-patterns</artifactId>
 		<groupId>com.iluwatar</groupId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 
 	<artifactId>naked-objects</artifactId>
@@ -367,17 +367,17 @@
 			<dependency>
 				<groupId>${project.groupId}</groupId>
 				<artifactId>naked-objects-dom</artifactId>
-				<version>1.15.0-SNAPSHOT</version>
+				<version>1.15.0</version>
 			</dependency>
 			<dependency>
 				<groupId>${project.groupId}</groupId>
 				<artifactId>naked-objects-fixture</artifactId>
-				<version>1.15.0-SNAPSHOT</version>
+				<version>1.15.0</version>
 			</dependency>
 			<dependency>
 				<groupId>${project.groupId}</groupId>
 				<artifactId>naked-objects-webapp</artifactId>
-				<version>1.15.0-SNAPSHOT</version>
+				<version>1.15.0</version>
 			</dependency>
 
 		</dependencies>
diff --git a/naked-objects/webapp/pom.xml b/naked-objects/webapp/pom.xml
index 7e6d3ffcd..45d413128 100644
--- a/naked-objects/webapp/pom.xml
+++ b/naked-objects/webapp/pom.xml
@@ -16,7 +16,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>naked-objects</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 
 	<artifactId>naked-objects-webapp</artifactId>
diff --git a/null-object/pom.xml b/null-object/pom.xml
index 2c494e3b7..4fa75ceeb 100644
--- a/null-object/pom.xml
+++ b/null-object/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>null-object</artifactId>
   <dependencies>
diff --git a/object-mother/pom.xml b/object-mother/pom.xml
index fc7d96a85..4c8a8252c 100644
--- a/object-mother/pom.xml
+++ b/object-mother/pom.xml
@@ -30,7 +30,7 @@
     <parent>
         <groupId>com.iluwatar</groupId>
         <artifactId>java-design-patterns</artifactId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <artifactId>object-mother</artifactId>
     <dependencies>
diff --git a/object-pool/pom.xml b/object-pool/pom.xml
index 19ac48956..4ab51470a 100644
--- a/object-pool/pom.xml
+++ b/object-pool/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>object-pool</artifactId>
   <dependencies>
diff --git a/observer/pom.xml b/observer/pom.xml
index bb313552c..f52be8ab1 100644
--- a/observer/pom.xml
+++ b/observer/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>observer</artifactId>
   <dependencies>
diff --git a/page-object/pom.xml b/page-object/pom.xml
index 35ee916a5..aec481498 100644
--- a/page-object/pom.xml
+++ b/page-object/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <groupId>com.iluwatar</groupId>
         <artifactId>java-design-patterns</artifactId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <artifactId>page-object</artifactId>
     <dependencies>
diff --git a/poison-pill/pom.xml b/poison-pill/pom.xml
index e518649cf..ecb9ccfdc 100644
--- a/poison-pill/pom.xml
+++ b/poison-pill/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>poison-pill</artifactId>
   <dependencies>
diff --git a/pom.xml b/pom.xml
index 4b22adeb6..a548b6bf1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
     <packaging>pom</packaging>
     <inceptionYear>2014</inceptionYear>
     <properties>
diff --git a/private-class-data/pom.xml b/private-class-data/pom.xml
index 957e18033..496b48283 100644
--- a/private-class-data/pom.xml
+++ b/private-class-data/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>private-class-data</artifactId>
   <dependencies>
diff --git a/producer-consumer/pom.xml b/producer-consumer/pom.xml
index dbc80614f..8570d98bc 100644
--- a/producer-consumer/pom.xml
+++ b/producer-consumer/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>producer-consumer</artifactId>
   <dependencies>
diff --git a/promise/pom.xml b/promise/pom.xml
index a93ef2ba5..5bf362613 100644
--- a/promise/pom.xml
+++ b/promise/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>promise</artifactId>
   <dependencies>
diff --git a/property/pom.xml b/property/pom.xml
index 4b28b9f54..bf0840739 100644
--- a/property/pom.xml
+++ b/property/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>property</artifactId>
   <dependencies>
diff --git a/prototype/pom.xml b/prototype/pom.xml
index 995757d5a..4145ac538 100644
--- a/prototype/pom.xml
+++ b/prototype/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>prototype</artifactId>
   <dependencies>
diff --git a/proxy/pom.xml b/proxy/pom.xml
index f12db724c..bf32d8556 100644
--- a/proxy/pom.xml
+++ b/proxy/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>proxy</artifactId>
   <dependencies>
diff --git a/publish-subscribe/pom.xml b/publish-subscribe/pom.xml
index 1586815c1..ee6a6720b 100644
--- a/publish-subscribe/pom.xml
+++ b/publish-subscribe/pom.xml
@@ -28,7 +28,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<artifactId>publish-subscribe</artifactId>
 	<dependencies>
diff --git a/queue-load-leveling/pom.xml b/queue-load-leveling/pom.xml
index 351f94906..6167570cb 100644
--- a/queue-load-leveling/pom.xml
+++ b/queue-load-leveling/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>queue-load-leveling</artifactId>
   <dependencies>
diff --git a/reactor/pom.xml b/reactor/pom.xml
index 1d3aa22e7..69dccf542 100644
--- a/reactor/pom.xml
+++ b/reactor/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>reactor</artifactId>
   <dependencies>
diff --git a/reader-writer-lock/pom.xml b/reader-writer-lock/pom.xml
index a46f6f5b2..d811d3c8b 100644
--- a/reader-writer-lock/pom.xml
+++ b/reader-writer-lock/pom.xml
@@ -30,7 +30,7 @@
     <parent>
         <groupId>com.iluwatar</groupId>
         <artifactId>java-design-patterns</artifactId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <artifactId>reader-writer-lock</artifactId>
     <dependencies>
diff --git a/repository/pom.xml b/repository/pom.xml
index 5cae0466f..879d1b58e 100644
--- a/repository/pom.xml
+++ b/repository/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <groupId>com.iluwatar</groupId>
         <artifactId>java-design-patterns</artifactId>
-        <version>1.15.0-SNAPSHOT</version>
+        <version>1.15.0</version>
     </parent>
     <artifactId>repository</artifactId>
     <dependencies>
diff --git a/resource-acquisition-is-initialization/pom.xml b/resource-acquisition-is-initialization/pom.xml
index ecf304ad2..92707a5bb 100644
--- a/resource-acquisition-is-initialization/pom.xml
+++ b/resource-acquisition-is-initialization/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>resource-acquisition-is-initialization</artifactId>
   <dependencies>
diff --git a/semaphore/pom.xml b/semaphore/pom.xml
index 34b6bf629..22ee544c6 100644
--- a/semaphore/pom.xml
+++ b/semaphore/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>semaphore</artifactId>
   <dependencies>
diff --git a/servant/pom.xml b/servant/pom.xml
index fc59c795b..f861ae746 100644
--- a/servant/pom.xml
+++ b/servant/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>servant</artifactId>
   <dependencies>
diff --git a/service-layer/pom.xml b/service-layer/pom.xml
index 3d9e5e26f..af0d96a02 100644
--- a/service-layer/pom.xml
+++ b/service-layer/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>service-layer</artifactId>
   <dependencies>
diff --git a/service-locator/pom.xml b/service-locator/pom.xml
index 397955f8e..4046670a0 100644
--- a/service-locator/pom.xml
+++ b/service-locator/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>service-locator</artifactId>
   <dependencies>
diff --git a/singleton/pom.xml b/singleton/pom.xml
index 8ddcb2131..c68d58235 100644
--- a/singleton/pom.xml
+++ b/singleton/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>singleton</artifactId>
   <dependencies>
diff --git a/specification/pom.xml b/specification/pom.xml
index 40584b7ca..8a58a8dd6 100644
--- a/specification/pom.xml
+++ b/specification/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>specification</artifactId>
   <dependencies>
diff --git a/state/pom.xml b/state/pom.xml
index 18a2608cd..f0245dfd9 100644
--- a/state/pom.xml
+++ b/state/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>state</artifactId>
   <dependencies>
diff --git a/step-builder/pom.xml b/step-builder/pom.xml
index b33f48fb7..5d63f0187 100644
--- a/step-builder/pom.xml
+++ b/step-builder/pom.xml
@@ -30,7 +30,7 @@
   <parent>
     <artifactId>java-design-patterns</artifactId>
     <groupId>com.iluwatar</groupId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>step-builder</artifactId>
   <dependencies>
diff --git a/strategy/pom.xml b/strategy/pom.xml
index c47281228..88749d2cb 100644
--- a/strategy/pom.xml
+++ b/strategy/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>strategy</artifactId>
   <dependencies>
diff --git a/template-method/pom.xml b/template-method/pom.xml
index 4a40c89fb..81ac4ddfb 100644
--- a/template-method/pom.xml
+++ b/template-method/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>template-method</artifactId>
   <dependencies>
diff --git a/thread-pool/pom.xml b/thread-pool/pom.xml
index a3b8d1fe6..127fdad8d 100644
--- a/thread-pool/pom.xml
+++ b/thread-pool/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>thread-pool</artifactId>
   <dependencies>
diff --git a/tls/pom.xml b/tls/pom.xml
index fa8bf6860..3ab25fadd 100644
--- a/tls/pom.xml
+++ b/tls/pom.xml
@@ -30,7 +30,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>tls</artifactId>
   <dependencies>
diff --git a/tolerant-reader/pom.xml b/tolerant-reader/pom.xml
index da580631d..ee983bbba 100644
--- a/tolerant-reader/pom.xml
+++ b/tolerant-reader/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>tolerant-reader</artifactId>
   <dependencies>
diff --git a/twin/pom.xml b/twin/pom.xml
index b9f6fb6ee..2b57a6cd4 100644
--- a/twin/pom.xml
+++ b/twin/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>twin</artifactId>
   <dependencies>
diff --git a/value-object/pom.xml b/value-object/pom.xml
index ae18ed94a..4b9958fa5 100644
--- a/value-object/pom.xml
+++ b/value-object/pom.xml
@@ -30,7 +30,7 @@
 	<parent>
 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.15.0-SNAPSHOT</version>
+		<version>1.15.0</version>
 	</parent>
 	<artifactId>value-object</artifactId>
 	<dependencies>
diff --git a/visitor/pom.xml b/visitor/pom.xml
index 2aeeb73b0..48a68386c 100644
--- a/visitor/pom.xml
+++ b/visitor/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.15.0-SNAPSHOT</version>
+    <version>1.15.0</version>
   </parent>
   <artifactId>visitor</artifactId>
   <dependencies>