diff --git a/README.md b/README.md
index 15977992..7b74fc72 100644
--- a/README.md
+++ b/README.md
@@ -359,7 +359,7 @@ You can use it just by adding it as a dependency in the project descriptor file
         <dependency>
             <groupId>com.github.starnowski.posmulten</groupId>
             <artifactId>postgresql-core</artifactId>
-            <version>0.8.1</version>
+            <version>0.9.0</version>
         </dependency>
 ```
 
diff --git a/configuration-parent/configuration-core/pom.xml b/configuration-parent/configuration-core/pom.xml
index ee60bd70..ac5abf03 100644
--- a/configuration-parent/configuration-core/pom.xml
+++ b/configuration-parent/configuration-core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>configuration-parent</artifactId>
         <groupId>com.github.starnowski.posmulten.configuration</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/configuration-parent/configuration-jar/pom.xml b/configuration-parent/configuration-jar/pom.xml
index 4646fb44..ed23d08d 100644
--- a/configuration-parent/configuration-jar/pom.xml
+++ b/configuration-parent/configuration-jar/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>configuration-parent</artifactId>
         <groupId>com.github.starnowski.posmulten.configuration</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/configuration-parent/configuration-yaml-interpreter-parent/common-tests/pom.xml b/configuration-parent/configuration-yaml-interpreter-parent/common-tests/pom.xml
index ad1caae5..78a9bd49 100644
--- a/configuration-parent/configuration-yaml-interpreter-parent/common-tests/pom.xml
+++ b/configuration-parent/configuration-yaml-interpreter-parent/common-tests/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.github.starnowski.posmulten.configuration</groupId>
         <artifactId>configuration-yaml-interpreter-parent</artifactId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
 
     <artifactId>common-tests</artifactId>
diff --git a/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-core/pom.xml b/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-core/pom.xml
index db9e292f..e318bc00 100644
--- a/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-core/pom.xml
+++ b/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>configuration-yaml-interpreter-parent</artifactId>
         <groupId>com.github.starnowski.posmulten.configuration</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/configuration-yaml-interpreter-functional-tests-core/pom.xml b/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/configuration-yaml-interpreter-functional-tests-core/pom.xml
index 26f6fce4..a2c94027 100644
--- a/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/configuration-yaml-interpreter-functional-tests-core/pom.xml
+++ b/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/configuration-yaml-interpreter-functional-tests-core/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.github.starnowski.posmulten.configuration</groupId>
         <artifactId>configuration-yaml-interpreter-functional-tests-parent</artifactId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
 
     <artifactId>configuration-yaml-interpreter-functional-tests-core</artifactId>
diff --git a/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/configuration-yaml-interpreter-functional-tests/pom.xml b/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/configuration-yaml-interpreter-functional-tests/pom.xml
index 5dbe9731..54e6804e 100644
--- a/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/configuration-yaml-interpreter-functional-tests/pom.xml
+++ b/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/configuration-yaml-interpreter-functional-tests/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <artifactId>configuration-yaml-interpreter-functional-tests-parent</artifactId>
         <groupId>com.github.starnowski.posmulten.configuration</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
 
     <artifactId>configuration-yaml-interpreter-functional-tests</artifactId>
diff --git a/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/configuration-yaml-jakarta-interpreter-functional-tests/pom.xml b/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/configuration-yaml-jakarta-interpreter-functional-tests/pom.xml
index acc4b548..cf391e2c 100644
--- a/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/configuration-yaml-jakarta-interpreter-functional-tests/pom.xml
+++ b/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/configuration-yaml-jakarta-interpreter-functional-tests/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.github.starnowski.posmulten.configuration</groupId>
         <artifactId>configuration-yaml-interpreter-functional-tests-parent</artifactId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
 
     <artifactId>configuration-yaml-jakarta-interpreter-functional-tests</artifactId>
diff --git a/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/pom.xml b/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/pom.xml
index 6e00dff2..40fc63ab 100644
--- a/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/pom.xml
+++ b/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter-functional-tests-parent/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.github.starnowski.posmulten.configuration</groupId>
         <artifactId>configuration-yaml-interpreter-parent</artifactId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
 
     <artifactId>configuration-yaml-interpreter-functional-tests-parent</artifactId>
diff --git a/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter/pom.xml b/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter/pom.xml
index 86fa6731..99d089ad 100644
--- a/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter/pom.xml
+++ b/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-interpreter/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>configuration-yaml-interpreter-parent</artifactId>
         <groupId>com.github.starnowski.posmulten.configuration</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-jakarta-interpreter/pom.xml b/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-jakarta-interpreter/pom.xml
index a08237da..4387e3b0 100644
--- a/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-jakarta-interpreter/pom.xml
+++ b/configuration-parent/configuration-yaml-interpreter-parent/configuration-yaml-jakarta-interpreter/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <artifactId>configuration-yaml-interpreter-parent</artifactId>
         <groupId>com.github.starnowski.posmulten.configuration</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
 
     <groupId>com.github.starnowski.posmulten.configuration</groupId>
diff --git a/configuration-parent/configuration-yaml-interpreter-parent/pom.xml b/configuration-parent/configuration-yaml-interpreter-parent/pom.xml
index 2ccc38d2..d88621c6 100644
--- a/configuration-parent/configuration-yaml-interpreter-parent/pom.xml
+++ b/configuration-parent/configuration-yaml-interpreter-parent/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.github.starnowski.posmulten.configuration</groupId>
         <artifactId>configuration-parent</artifactId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
     <packaging>pom</packaging>
 
diff --git a/configuration-parent/configuration/pom.xml b/configuration-parent/configuration/pom.xml
index 3ce631d3..097d2289 100644
--- a/configuration-parent/configuration/pom.xml
+++ b/configuration-parent/configuration/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>configuration-parent</artifactId>
         <groupId>com.github.starnowski.posmulten.configuration</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/configuration-parent/pom.xml b/configuration-parent/pom.xml
index ba30ad11..370d428d 100644
--- a/configuration-parent/pom.xml
+++ b/configuration-parent/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>parent</artifactId>
         <groupId>com.github.starnowski.posmulten</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>pom</packaging>
diff --git a/openwebstart/pom.xml b/openwebstart/pom.xml
index f269a1c2..9d9f0fec 100644
--- a/openwebstart/pom.xml
+++ b/openwebstart/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.github.starnowski.posmulten</groupId>
         <artifactId>parent</artifactId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
 
     <artifactId>openwebstart</artifactId>
diff --git a/pom.xml b/pom.xml
index 0f0e1be2..32745b54 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
     <groupId>com.github.starnowski.posmulten</groupId>
     <artifactId>parent</artifactId>
     <packaging>pom</packaging>
-    <version>0.9.0-SNAPSHOT</version>
+    <version>0.9.0</version>
     <modules>
         <module>postgresql-core</module>
         <module>postgresql-core-functional-tests</module>
diff --git a/postgresql-core-functional-tests/pom.xml b/postgresql-core-functional-tests/pom.xml
index 1ee52465..7ab6c471 100644
--- a/postgresql-core-functional-tests/pom.xml
+++ b/postgresql-core-functional-tests/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>parent</artifactId>
         <groupId>com.github.starnowski.posmulten</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/postgresql-core/pom.xml b/postgresql-core/pom.xml
index 17a05680..8d79c79b 100644
--- a/postgresql-core/pom.xml
+++ b/postgresql-core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>parent</artifactId>
         <groupId>com.github.starnowski.posmulten</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/test-utils/pom.xml b/test-utils/pom.xml
index c66c5de4..70102fc7 100644
--- a/test-utils/pom.xml
+++ b/test-utils/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>parent</artifactId>
         <groupId>com.github.starnowski.posmulten</groupId>
-        <version>0.9.0-SNAPSHOT</version>
+        <version>0.9.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>