diff --git a/engine/jprol-core/pom.xml b/engine/jprol-core/pom.xml
index 118d10c..02def7a 100644
--- a/engine/jprol-core/pom.xml
+++ b/engine/jprol-core/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.igormaznitsa</groupId>
         <artifactId>jprol</artifactId>
-        <version>2.1.1-SNAPSHOT</version>
+        <version>2.1.1</version>
     </parent>
 
     <artifactId>jprol-core</artifactId>
diff --git a/engine/jprol-gui/pom.xml b/engine/jprol-gui/pom.xml
index 71f4ccc..61ae4e3 100644
--- a/engine/jprol-gui/pom.xml
+++ b/engine/jprol-gui/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.igormaznitsa</groupId>
         <artifactId>jprol</artifactId>
-        <version>2.1.1-SNAPSHOT</version>
+        <version>2.1.1</version>
     </parent>
 
     <artifactId>jprol-gui</artifactId>
diff --git a/engine/jprol-lib-extra/pom.xml b/engine/jprol-lib-extra/pom.xml
index 0fbf867..42e8fab 100644
--- a/engine/jprol-lib-extra/pom.xml
+++ b/engine/jprol-lib-extra/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.igormaznitsa</groupId>
         <artifactId>jprol</artifactId>
-        <version>2.1.1-SNAPSHOT</version>
+        <version>2.1.1</version>
     </parent>
 
     <artifactId>jprol-lib-extra</artifactId>
diff --git a/engine/pom.xml b/engine/pom.xml
index 6d82c47..22de3f6 100644
--- a/engine/pom.xml
+++ b/engine/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.igormaznitsa</groupId>
     <artifactId>jprol</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <packaging>pom</packaging>
 
     <inceptionYear>2010</inceptionYear>
diff --git a/examples/java/jprol-example-life/pom.xml b/examples/java/jprol-example-life/pom.xml
index 40d3726..49b4a1f 100644
--- a/examples/java/jprol-example-life/pom.xml
+++ b/examples/java/jprol-example-life/pom.xml
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>com.igormaznitsa</groupId>
             <artifactId>jprol-core</artifactId>
-            <version>2.1.0</version>
+            <version>2.1.1</version>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>