diff --git a/abstract-factory/pom.xml b/abstract-factory/pom.xml
index 32171a5f2..7971a6e4c 100644
--- a/abstract-factory/pom.xml
+++ b/abstract-factory/pom.xml
@@ -29,7 +29,7 @@
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     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.11.0-SNAPSHOT</version>
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   <artifactId>abstract-factory</artifactId>
   <dependencies>
diff --git a/adapter/pom.xml b/adapter/pom.xml
index 3c231d60a..31a9a6671 100644
--- a/adapter/pom.xml
+++ b/adapter/pom.xml
@@ -29,7 +29,7 @@
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     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.11.0-SNAPSHOT</version>
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   <artifactId>adapter</artifactId>
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diff --git a/async-method-invocation/pom.xml b/async-method-invocation/pom.xml
index d640b890e..236a5e73a 100644
--- a/async-method-invocation/pom.xml
+++ b/async-method-invocation/pom.xml
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     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
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   <artifactId>async-method-invocation</artifactId>
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diff --git a/bridge/pom.xml b/bridge/pom.xml
index ba474af55..e50c166b2 100644
--- a/bridge/pom.xml
+++ b/bridge/pom.xml
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   <artifactId>bridge</artifactId>
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diff --git a/builder/pom.xml b/builder/pom.xml
index 66f679cc6..8b01a68aa 100644
--- a/builder/pom.xml
+++ b/builder/pom.xml
@@ -29,7 +29,7 @@
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diff --git a/business-delegate/pom.xml b/business-delegate/pom.xml
index 920672062..70f2e5b1c 100644
--- a/business-delegate/pom.xml
+++ b/business-delegate/pom.xml
@@ -30,7 +30,7 @@
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 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
-		<version>1.11.0-SNAPSHOT</version>
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 	<artifactId>business-delegate</artifactId>
 	<dependencies>
diff --git a/caching/pom.xml b/caching/pom.xml
index 1dad83d0e..74cda701a 100644
--- a/caching/pom.xml
+++ b/caching/pom.xml
@@ -29,7 +29,7 @@
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     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
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   <artifactId>caching</artifactId>
   <dependencies>
diff --git a/callback/pom.xml b/callback/pom.xml
index 55b1abbc5..d4c035bbd 100644
--- a/callback/pom.xml
+++ b/callback/pom.xml
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   <artifactId>callback</artifactId>
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diff --git a/chain/pom.xml b/chain/pom.xml
index 4a0c5a96a..96fba0795 100644
--- a/chain/pom.xml
+++ b/chain/pom.xml
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   <artifactId>chain</artifactId>
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diff --git a/command/pom.xml b/command/pom.xml
index 69c499371..d4f8e5910 100644
--- a/command/pom.xml
+++ b/command/pom.xml
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diff --git a/composite/pom.xml b/composite/pom.xml
index 551dc1f2d..bf12366b1 100644
--- a/composite/pom.xml
+++ b/composite/pom.xml
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   <artifactId>composite</artifactId>
   <dependencies>
diff --git a/dao/pom.xml b/dao/pom.xml
index 05ab2b22a..f5ddf4943 100644
--- a/dao/pom.xml
+++ b/dao/pom.xml
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   <artifactId>dao</artifactId>
 
diff --git a/decorator/pom.xml b/decorator/pom.xml
index d8f253bd2..ba77f55ae 100644
--- a/decorator/pom.xml
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   <dependencies>
diff --git a/delegation/pom.xml b/delegation/pom.xml
index 1cfb3e4e3..dc7676d33 100644
--- a/delegation/pom.xml
+++ b/delegation/pom.xml
@@ -30,7 +30,7 @@
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         <artifactId>java-design-patterns</artifactId>
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diff --git a/dependency-injection/pom.xml b/dependency-injection/pom.xml
index cb210ca5a..4e5c562fd 100644
--- a/dependency-injection/pom.xml
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diff --git a/double-checked-locking/pom.xml b/double-checked-locking/pom.xml
index e3b4c5bff..98f5311d6 100644
--- a/double-checked-locking/pom.xml
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diff --git a/double-dispatch/pom.xml b/double-dispatch/pom.xml
index 8414a6aa1..9f5f6044c 100644
--- a/double-dispatch/pom.xml
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diff --git a/event-aggregator/pom.xml b/event-aggregator/pom.xml
index 6627bdb1a..2488ccb68 100644
--- a/event-aggregator/pom.xml
+++ b/event-aggregator/pom.xml
@@ -28,7 +28,7 @@
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 	<artifactId>event-aggregator</artifactId>
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diff --git a/event-driven-architecture/pom.xml b/event-driven-architecture/pom.xml
index b0b588c6b..ad0642b5f 100644
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     <artifactId>event-driven-architecture</artifactId>
diff --git a/execute-around/pom.xml b/execute-around/pom.xml
index a8654ac77..2b2bfb242 100644
--- a/execute-around/pom.xml
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diff --git a/facade/pom.xml b/facade/pom.xml
index daa3853cd..8d9dcfc8a 100644
--- a/facade/pom.xml
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diff --git a/factory-kit/pom.xml b/factory-kit/pom.xml
index c336c5f49..26d53871c 100644
--- a/factory-kit/pom.xml
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diff --git a/factory-method/pom.xml b/factory-method/pom.xml
index 25ca9f726..84f9484c8 100644
--- a/factory-method/pom.xml
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diff --git a/feature-toggle/pom.xml b/feature-toggle/pom.xml
index 5f732f5a3..e86c54b24 100644
--- a/feature-toggle/pom.xml
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diff --git a/fluentinterface/pom.xml b/fluentinterface/pom.xml
index 5faf359d1..6c9910d4c 100644
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diff --git a/flux/pom.xml b/flux/pom.xml
index 25182d784..07e0bb6a7 100644
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diff --git a/flyweight/pom.xml b/flyweight/pom.xml
index a066c8924..e4c5fe5b5 100644
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diff --git a/front-controller/pom.xml b/front-controller/pom.xml
index 8cb7ddc6d..0b3e12bf6 100644
--- a/front-controller/pom.xml
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diff --git a/half-sync-half-async/pom.xml b/half-sync-half-async/pom.xml
index 357cabf4b..7017b5454 100644
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diff --git a/intercepting-filter/pom.xml b/intercepting-filter/pom.xml
index 0ff3be16b..92c814c43 100644
--- a/intercepting-filter/pom.xml
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diff --git a/interpreter/pom.xml b/interpreter/pom.xml
index 3a09ae310..8b6054442 100644
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diff --git a/iterator/pom.xml b/iterator/pom.xml
index 2aeea6100..d3bce401d 100644
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diff --git a/layers/pom.xml b/layers/pom.xml
index c6e68150b..647862ad2 100644
--- a/layers/pom.xml
+++ b/layers/pom.xml
@@ -30,7 +30,7 @@
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 		<groupId>com.iluwatar</groupId>
 		<artifactId>java-design-patterns</artifactId>
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 	<groupId>com.iluwatar.layers</groupId>
 	<artifactId>layers</artifactId>
diff --git a/lazy-loading/pom.xml b/lazy-loading/pom.xml
index 0ca7272a0..e3ce27de0 100644
--- a/lazy-loading/pom.xml
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diff --git a/mediator/pom.xml b/mediator/pom.xml
index 8e24da4b9..d310c5ef5 100644
--- a/mediator/pom.xml
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diff --git a/memento/pom.xml b/memento/pom.xml
index fc78cb65b..6ef97c893 100644
--- a/memento/pom.xml
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diff --git a/message-channel/pom.xml b/message-channel/pom.xml
index a6f626a11..69ddc3fda 100644
--- a/message-channel/pom.xml
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@@ -30,7 +30,7 @@
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 		<groupId>com.iluwatar</groupId>
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diff --git a/model-view-controller/pom.xml b/model-view-controller/pom.xml
index 4e8697171..c5e732382 100644
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diff --git a/model-view-presenter/pom.xml b/model-view-presenter/pom.xml
index c4f1c82dd..74cbef728 100644
--- a/model-view-presenter/pom.xml
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diff --git a/monad/pom.xml b/monad/pom.xml
index ec5a14a8c..8d9381225 100644
--- a/monad/pom.xml
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diff --git a/monostate/pom.xml b/monostate/pom.xml
index bb6119253..3c5882bac 100644
--- a/monostate/pom.xml
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diff --git a/multiton/pom.xml b/multiton/pom.xml
index 6b07c638d..f142183a7 100644
--- a/multiton/pom.xml
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diff --git a/mute-idiom/pom.xml b/mute-idiom/pom.xml
index bad6cb8c7..adf9c5e5a 100644
--- a/mute-idiom/pom.xml
+++ b/mute-idiom/pom.xml
@@ -21,7 +21,7 @@
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 		<groupId>com.iluwatar</groupId>
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diff --git a/naked-objects/dom/pom.xml b/naked-objects/dom/pom.xml
index 102c7178e..2b456a2bf 100644
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 		<groupId>com.iluwatar</groupId>
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 	<artifactId>naked-objects-dom</artifactId>
diff --git a/naked-objects/fixture/pom.xml b/naked-objects/fixture/pom.xml
index 6f476bc9b..467b55a81 100644
--- a/naked-objects/fixture/pom.xml
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@@ -16,7 +16,7 @@
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 		<groupId>com.iluwatar</groupId>
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 	<artifactId>naked-objects-fixture</artifactId>
diff --git a/naked-objects/integtests/pom.xml b/naked-objects/integtests/pom.xml
index 6dbfc9946..3891467f7 100644
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@@ -16,7 +16,7 @@
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 		<artifactId>naked-objects</artifactId>
-		<version>1.11.0-SNAPSHOT</version>
+		<version>1.11.0</version>
 	</parent>
 
 	<artifactId>naked-objects-integtests</artifactId>
diff --git a/naked-objects/pom.xml b/naked-objects/pom.xml
index 451944aa5..6c72b74a3 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>1.11.0-SNAPSHOT</version>
+		<version>1.11.0</version>
 	</parent>
 
 	<artifactId>naked-objects</artifactId>
@@ -350,17 +350,17 @@
 			<dependency>
 				<groupId>${project.groupId}</groupId>
 				<artifactId>naked-objects-dom</artifactId>
-				<version>1.11.0-SNAPSHOT</version>
+				<version>1.11.0</version>
 			</dependency>
 			<dependency>
 				<groupId>${project.groupId}</groupId>
 				<artifactId>naked-objects-fixture</artifactId>
-				<version>1.11.0-SNAPSHOT</version>
+				<version>1.11.0</version>
 			</dependency>
 			<dependency>
 				<groupId>${project.groupId}</groupId>
 				<artifactId>naked-objects-webapp</artifactId>
-				<version>1.11.0-SNAPSHOT</version>
+				<version>1.11.0</version>
 			</dependency>
 
 		</dependencies>
diff --git a/naked-objects/webapp/pom.xml b/naked-objects/webapp/pom.xml
index c8b483513..41b4906a0 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>1.11.0-SNAPSHOT</version>
+		<version>1.11.0</version>
 	</parent>
 
 	<artifactId>naked-objects-webapp</artifactId>
diff --git a/null-object/pom.xml b/null-object/pom.xml
index e8b1d2465..7e058f0ef 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>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>null-object</artifactId>
   <dependencies>
diff --git a/object-pool/pom.xml b/object-pool/pom.xml
index 5a2e4b8b6..078762d58 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>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>object-pool</artifactId>
   <dependencies>
diff --git a/observer/pom.xml b/observer/pom.xml
index c8cca3edc..4249a6eab 100644
--- a/observer/pom.xml
+++ b/observer/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>observer</artifactId>
   <dependencies>
diff --git a/poison-pill/pom.xml b/poison-pill/pom.xml
index 0cc3bd6e8..7bd8423c1 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>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>poison-pill</artifactId>
   <dependencies>
diff --git a/pom.xml b/pom.xml
index 9127a865a..bdd7ec6a5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
 
 	<groupId>com.iluwatar</groupId>
 	<artifactId>java-design-patterns</artifactId>
-	<version>1.11.0-SNAPSHOT</version>
+	<version>1.11.0</version>
 	<packaging>pom</packaging>
 
 	<inceptionYear>2014</inceptionYear>
diff --git a/private-class-data/pom.xml b/private-class-data/pom.xml
index 97d623b46..97ffcebe4 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>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>private-class-data</artifactId>
   <dependencies>
diff --git a/producer-consumer/pom.xml b/producer-consumer/pom.xml
index 5c00b85f9..cbf247142 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>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>producer-consumer</artifactId>
   <dependencies>
diff --git a/property/pom.xml b/property/pom.xml
index a5cd459df..7e4484437 100644
--- a/property/pom.xml
+++ b/property/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>property</artifactId>
   <dependencies>
diff --git a/prototype/pom.xml b/prototype/pom.xml
index da1aa0fd2..1cc90720f 100644
--- a/prototype/pom.xml
+++ b/prototype/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>prototype</artifactId>
   <dependencies>
diff --git a/proxy/pom.xml b/proxy/pom.xml
index 4640a1bba..8098953ae 100644
--- a/proxy/pom.xml
+++ b/proxy/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>proxy</artifactId>
   <dependencies>
diff --git a/publish-subscribe/pom.xml b/publish-subscribe/pom.xml
index bfa4838e7..f0fdd85da 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>1.11.0-SNAPSHOT</version>
+		<version>1.11.0</version>
 	</parent>
 	<artifactId>publish-subscribe</artifactId>
 	<dependencies>
diff --git a/reactor/pom.xml b/reactor/pom.xml
index 9e228ce6e..50698655a 100644
--- a/reactor/pom.xml
+++ b/reactor/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>reactor</artifactId>
   <dependencies>
diff --git a/reader-writer-lock/pom.xml b/reader-writer-lock/pom.xml
index dbfafff66..673b56a4d 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>1.11.0-SNAPSHOT</version>
+        <version>1.11.0</version>
     </parent>
     <artifactId>reader-writer-lock</artifactId>
     <dependencies>
diff --git a/repository/pom.xml b/repository/pom.xml
index 82e4b4d67..2757a1268 100644
--- a/repository/pom.xml
+++ b/repository/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <groupId>com.iluwatar</groupId>
         <artifactId>java-design-patterns</artifactId>
-        <version>1.11.0-SNAPSHOT</version>
+        <version>1.11.0</version>
     </parent>
     <artifactId>repository</artifactId>
     <dependencies>
diff --git a/resource-acquisition-is-initialization/pom.xml b/resource-acquisition-is-initialization/pom.xml
index e79ec99ee..8ea82f44d 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>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>resource-acquisition-is-initialization</artifactId>
   <dependencies>
diff --git a/servant/pom.xml b/servant/pom.xml
index 0161e71f6..0f7d5a51f 100644
--- a/servant/pom.xml
+++ b/servant/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>servant</artifactId>
   <dependencies>
diff --git a/service-layer/pom.xml b/service-layer/pom.xml
index ff88256a9..963efb32e 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>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>service-layer</artifactId>
   <dependencies>
diff --git a/service-locator/pom.xml b/service-locator/pom.xml
index 4a64e8615..d03c3973d 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>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>service-locator</artifactId>
   <dependencies>
diff --git a/singleton/pom.xml b/singleton/pom.xml
index 66c02e664..cdbd72b69 100644
--- a/singleton/pom.xml
+++ b/singleton/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>singleton</artifactId>
   <dependencies>
diff --git a/specification/pom.xml b/specification/pom.xml
index 125c34e0b..c43bfe733 100644
--- a/specification/pom.xml
+++ b/specification/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>specification</artifactId>
   <dependencies>
diff --git a/state/pom.xml b/state/pom.xml
index 08b4846e6..46550ea14 100644
--- a/state/pom.xml
+++ b/state/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>state</artifactId>
   <dependencies>
diff --git a/step-builder/pom.xml b/step-builder/pom.xml
index dde7443f9..b7427f22b 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>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>step-builder</artifactId>
   <dependencies>
diff --git a/strategy/pom.xml b/strategy/pom.xml
index 0b6b2dc4e..53bb7c513 100644
--- a/strategy/pom.xml
+++ b/strategy/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>strategy</artifactId>
   <dependencies>
diff --git a/template-method/pom.xml b/template-method/pom.xml
index 0feb89c02..e114773fa 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>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>template-method</artifactId>
   <dependencies>
diff --git a/thread-pool/pom.xml b/thread-pool/pom.xml
index a2e683359..c2b9d58b9 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>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>thread-pool</artifactId>
   <dependencies>
diff --git a/tolerant-reader/pom.xml b/tolerant-reader/pom.xml
index 6c8c96b3c..efce12725 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>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>tolerant-reader</artifactId>
   <dependencies>
diff --git a/twin/pom.xml b/twin/pom.xml
index dc23b26ef..6675b673a 100644
--- a/twin/pom.xml
+++ b/twin/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>twin</artifactId>
   <dependencies>
diff --git a/value-object/pom.xml b/value-object/pom.xml
index 3cbb7bb86..ed699b553 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>1.11.0-SNAPSHOT</version>
+		<version>1.11.0</version>
 	</parent>
 	<artifactId>value-object</artifactId>
 	<dependencies>
diff --git a/visitor/pom.xml b/visitor/pom.xml
index cdffb0151..666578d6b 100644
--- a/visitor/pom.xml
+++ b/visitor/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.11.0-SNAPSHOT</version>
+    <version>1.11.0</version>
   </parent>
   <artifactId>visitor</artifactId>
   <dependencies>