diff --git a/abstract-factory/pom.xml b/abstract-factory/pom.xml
index 75dfd6539..7d4f45caf 100644
--- a/abstract-factory/pom.xml
+++ b/abstract-factory/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>abstract-factory</artifactId>
   <dependencies>
diff --git a/adapter/pom.xml b/adapter/pom.xml
index fd99061a6..b9a58a9cf 100644
--- a/adapter/pom.xml
+++ b/adapter/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>adapter</artifactId>
   <dependencies>
diff --git a/bridge/pom.xml b/bridge/pom.xml
index efbc2c900..5bf4a4b5a 100644
--- a/bridge/pom.xml
+++ b/bridge/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>bridge</artifactId>
   <dependencies>
diff --git a/builder/pom.xml b/builder/pom.xml
index 7d735d9cb..60ae1dfdb 100644
--- a/builder/pom.xml
+++ b/builder/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>builder</artifactId>
   <dependencies>
diff --git a/callback/pom.xml b/callback/pom.xml
index 96a7aabd7..5765a4d7a 100644
--- a/callback/pom.xml
+++ b/callback/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>callback</artifactId>
   <dependencies>
diff --git a/chain/pom.xml b/chain/pom.xml
index 042cfc082..81b96b2fb 100644
--- a/chain/pom.xml
+++ b/chain/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>chain</artifactId>
   <dependencies>
diff --git a/command/pom.xml b/command/pom.xml
index e596c921e..7af177deb 100644
--- a/command/pom.xml
+++ b/command/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>command</artifactId>
   <dependencies>
diff --git a/composite/pom.xml b/composite/pom.xml
index a7a7bdbd1..520af7ff0 100644
--- a/composite/pom.xml
+++ b/composite/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>composite</artifactId>
   <dependencies>
diff --git a/dao/pom.xml b/dao/pom.xml
index e7c9e44ed..0fe95e39e 100644
--- a/dao/pom.xml
+++ b/dao/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>dao</artifactId>
   <dependencies>
diff --git a/decorator/pom.xml b/decorator/pom.xml
index 0272a488f..34554bfc5 100644
--- a/decorator/pom.xml
+++ b/decorator/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>decorator</artifactId>
   <dependencies>
diff --git a/dependency-injection/pom.xml b/dependency-injection/pom.xml
index ae26745f7..04e0fef59 100644
--- a/dependency-injection/pom.xml
+++ b/dependency-injection/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>dependency-injection</artifactId>
   <dependencies>
diff --git a/double-checked-locking/pom.xml b/double-checked-locking/pom.xml
index f55698012..5aa98af6b 100644
--- a/double-checked-locking/pom.xml
+++ b/double-checked-locking/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>double-checked-locking</artifactId>
   <dependencies>
diff --git a/double-dispatch/pom.xml b/double-dispatch/pom.xml
index 602e2b105..3119a550d 100644
--- a/double-dispatch/pom.xml
+++ b/double-dispatch/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>double-dispatch</artifactId>
   <dependencies>
diff --git a/event-aggregator/pom.xml b/event-aggregator/pom.xml
index 9392bd996..cb4757171 100644
--- a/event-aggregator/pom.xml
+++ b/event-aggregator/pom.xml
@@ -1,17 +1,17 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<parent>
-		<groupId>com.iluwatar</groupId>
-		<artifactId>java-design-patterns</artifactId>
-		<version>1.0-SNAPSHOT</version>
-	</parent>
-	<artifactId>event-aggregator</artifactId>
-	<dependencies>
-		<dependency>
-			<groupId>junit</groupId>
-			<artifactId>junit</artifactId>
-			<scope>test</scope>
-		</dependency>
-	</dependencies>
-</project>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>com.iluwatar</groupId>
+		<artifactId>java-design-patterns</artifactId>
+		<version>1.0.0</version>
+	</parent>
+	<artifactId>event-aggregator</artifactId>
+	<dependencies>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+</project>
diff --git a/execute-around/pom.xml b/execute-around/pom.xml
index 8d8862063..9613f9245 100644
--- a/execute-around/pom.xml
+++ b/execute-around/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>execute-around</artifactId>
   <dependencies>
diff --git a/facade/pom.xml b/facade/pom.xml
index 622cf5fb3..7a69cedab 100644
--- a/facade/pom.xml
+++ b/facade/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>facade</artifactId>
   <dependencies>
diff --git a/factory-method/pom.xml b/factory-method/pom.xml
index fb48aed9d..041356c53 100644
--- a/factory-method/pom.xml
+++ b/factory-method/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
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   </parent>
   <artifactId>factory-method</artifactId>
   <dependencies>
diff --git a/flux/pom.xml b/flux/pom.xml
index e0f0a745f..6870f9411 100644
--- a/flux/pom.xml
+++ b/flux/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>flux</artifactId>
   <dependencies>
diff --git a/flyweight/pom.xml b/flyweight/pom.xml
index 12f463794..b74e1b61a 100644
--- a/flyweight/pom.xml
+++ b/flyweight/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>flyweight</artifactId>
   <dependencies>
diff --git a/intercepting-filter/pom.xml b/intercepting-filter/pom.xml
index 19ebdfbe2..5577d3cae 100644
--- a/intercepting-filter/pom.xml
+++ b/intercepting-filter/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>intercepting-filter</artifactId>
   <dependencies>
diff --git a/interpreter/pom.xml b/interpreter/pom.xml
index e259fefd1..5a1f9e6c6 100644
--- a/interpreter/pom.xml
+++ b/interpreter/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>interpreter</artifactId>
   <dependencies>
diff --git a/iterator/pom.xml b/iterator/pom.xml
index 316fff461..eadc76c2c 100644
--- a/iterator/pom.xml
+++ b/iterator/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>iterator</artifactId>
   <dependencies>
diff --git a/lazy-loading/pom.xml b/lazy-loading/pom.xml
index 64cb34822..3dea74ebd 100644
--- a/lazy-loading/pom.xml
+++ b/lazy-loading/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>lazy-loading</artifactId>
   <dependencies>
diff --git a/mediator/pom.xml b/mediator/pom.xml
index e39d20aed..c74b553bb 100644
--- a/mediator/pom.xml
+++ b/mediator/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>mediator</artifactId>
   <dependencies>
diff --git a/memento/pom.xml b/memento/pom.xml
index b13504f08..d06eed3e9 100644
--- a/memento/pom.xml
+++ b/memento/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>memento</artifactId>
   <dependencies>
diff --git a/model-view-controller/pom.xml b/model-view-controller/pom.xml
index 40b019d16..f78cad51d 100644
--- a/model-view-controller/pom.xml
+++ b/model-view-controller/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>model-view-controller</artifactId>
   <dependencies>
diff --git a/model-view-presenter/pom.xml b/model-view-presenter/pom.xml
index 251e823cd..317e0f2ce 100644
--- a/model-view-presenter/pom.xml
+++ b/model-view-presenter/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>model-view-presenter</artifactId>
   <name>model-view-presenter</name>
diff --git a/multiton/pom.xml b/multiton/pom.xml
index 6f76fde0d..af559c62a 100644
--- a/multiton/pom.xml
+++ b/multiton/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>multiton</artifactId>
   <dependencies>
diff --git a/null-object/pom.xml b/null-object/pom.xml
index 276631e6a..ad9173dcd 100644
--- a/null-object/pom.xml
+++ b/null-object/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>null-object</artifactId>
   <dependencies>
diff --git a/object-pool/pom.xml b/object-pool/pom.xml
index 3a3b62cb8..9d2a887a2 100644
--- a/object-pool/pom.xml
+++ b/object-pool/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>object-pool</artifactId>
   <dependencies>
diff --git a/observer/pom.xml b/observer/pom.xml
index df7d3c188..5772f0350 100644
--- a/observer/pom.xml
+++ b/observer/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>observer</artifactId>
   <dependencies>
diff --git a/poison-pill/pom.xml b/poison-pill/pom.xml
index 1d9d4c38a..073c25ade 100644
--- a/poison-pill/pom.xml
+++ b/poison-pill/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>poison-pill</artifactId>
   <dependencies>
diff --git a/pom.xml b/pom.xml
index ed5025de7..051d8cb8c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>com.iluwatar</groupId>
 	<artifactId>java-design-patterns</artifactId>
-	<version>1.0-SNAPSHOT</version>
+	<version>1.0.0</version>
 	<packaging>pom</packaging>
 
 	<properties>
diff --git a/private-class-data/pom.xml b/private-class-data/pom.xml
index c5d08d8e5..89820c4ce 100644
--- a/private-class-data/pom.xml
+++ b/private-class-data/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>private-class-data</artifactId>
   <dependencies>
diff --git a/property/pom.xml b/property/pom.xml
index a26894f0a..adfe12914 100644
--- a/property/pom.xml
+++ b/property/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>property</artifactId>
   <dependencies>
diff --git a/prototype/pom.xml b/prototype/pom.xml
index efb6dbd40..9d2b0bc3f 100644
--- a/prototype/pom.xml
+++ b/prototype/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>prototype</artifactId>
   <dependencies>
diff --git a/proxy/pom.xml b/proxy/pom.xml
index 911836393..c264d4cdc 100644
--- a/proxy/pom.xml
+++ b/proxy/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>proxy</artifactId>
   <dependencies>
diff --git a/resource-acquisition-is-initialization/pom.xml b/resource-acquisition-is-initialization/pom.xml
index 1202e0a8d..c010c1795 100644
--- a/resource-acquisition-is-initialization/pom.xml
+++ b/resource-acquisition-is-initialization/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>resource-acquisition-is-initialization</artifactId>
   <dependencies>
diff --git a/servant/pom.xml b/servant/pom.xml
index 6f0b224a3..9f611a1a7 100644
--- a/servant/pom.xml
+++ b/servant/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>servant</artifactId>
   <dependencies>
diff --git a/service-layer/pom.xml b/service-layer/pom.xml
index 34f265167..9f2771f21 100644
--- a/service-layer/pom.xml
+++ b/service-layer/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>service-layer</artifactId>
   <dependencies>
diff --git a/service-locator/pom.xml b/service-locator/pom.xml
index 1d33281e5..7ca52aae4 100644
--- a/service-locator/pom.xml
+++ b/service-locator/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>service-locator</artifactId>
   <dependencies>
diff --git a/singleton/pom.xml b/singleton/pom.xml
index 4fb005395..f02c349fb 100644
--- a/singleton/pom.xml
+++ b/singleton/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>singleton</artifactId>
   <dependencies>
diff --git a/specification/pom.xml b/specification/pom.xml
index ed8cb3cf2..5acafc83a 100644
--- a/specification/pom.xml
+++ b/specification/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>specification</artifactId>
   <dependencies>
diff --git a/state/pom.xml b/state/pom.xml
index e20cf5c7f..8afae338c 100644
--- a/state/pom.xml
+++ b/state/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>state</artifactId>
   <dependencies>
diff --git a/strategy/pom.xml b/strategy/pom.xml
index 7b1d970c8..77821788d 100644
--- a/strategy/pom.xml
+++ b/strategy/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>strategy</artifactId>
   <dependencies>
diff --git a/template-method/pom.xml b/template-method/pom.xml
index 393532ee2..f63b237fd 100644
--- a/template-method/pom.xml
+++ b/template-method/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>template-method</artifactId>
   <dependencies>
diff --git a/thread-pool/pom.xml b/thread-pool/pom.xml
index 49af15d55..1bb08fae5 100644
--- a/thread-pool/pom.xml
+++ b/thread-pool/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>thread-pool</artifactId>
   <dependencies>
diff --git a/tolerant-reader/pom.xml b/tolerant-reader/pom.xml
index c5c6605e9..bc4def2af 100644
--- a/tolerant-reader/pom.xml
+++ b/tolerant-reader/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>tolerant-reader</artifactId>
   <dependencies>
diff --git a/visitor/pom.xml b/visitor/pom.xml
index 757f62553..823f26e26 100644
--- a/visitor/pom.xml
+++ b/visitor/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
   </parent>
   <artifactId>visitor</artifactId>
   <dependencies>