diff --git a/ICGE-Log/pom.xml b/ICGE-Log/pom.xml
index 87527f5f..c39f5a65 100644
--- a/ICGE-Log/pom.xml
+++ b/ICGE-Log/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fius</groupId>
         <artifactId>icge</artifactId>
-        <version>2.3.8</version>
+        <version>2.3.9-Snapshot</version>
     </parent>
     <artifactId>icge-log</artifactId>
     <name>ICGE Log</name>
diff --git a/ICGE-ManualStart/pom.xml b/ICGE-ManualStart/pom.xml
index 37355672..5bff7d63 100644
--- a/ICGE-ManualStart/pom.xml
+++ b/ICGE-ManualStart/pom.xml
@@ -4,12 +4,12 @@
     <parent>
         <groupId>de.fius</groupId>
         <artifactId>icge</artifactId>
-        <version>2.3.8</version>
+        <version>2.3.9-Snapshot</version>
     </parent>
     <artifactId>icge-manualstart</artifactId>
     <name>ICGE Manual Start</name>
     <properties>
-        <icge.version>2.3.8</icge.version>
+        <icge.version>2.3.9-Snapshot</icge.version>
     </properties>
     <dependencies>
         <dependency>
diff --git a/ICGE-Simulation/pom.xml b/ICGE-Simulation/pom.xml
index fd2da02a..ccac5a47 100644
--- a/ICGE-Simulation/pom.xml
+++ b/ICGE-Simulation/pom.xml
@@ -4,12 +4,12 @@
     <parent>
         <groupId>de.fius</groupId>
         <artifactId>icge</artifactId>
-        <version>2.3.8</version>
+        <version>2.3.9-Snapshot</version>
     </parent>
     <artifactId>icge-simulation</artifactId>
     <name>ICGE Simulation</name>
     <properties>
-        <icge.version>2.3.8</icge.version>
+        <icge.version>2.3.9-Snapshot</icge.version>
     </properties>
     <dependencies>
         <dependency>
diff --git a/ICGE-Ui/pom.xml b/ICGE-Ui/pom.xml
index 6c7a801f..6921822c 100644
--- a/ICGE-Ui/pom.xml
+++ b/ICGE-Ui/pom.xml
@@ -4,12 +4,12 @@
     <parent>
         <groupId>de.fius</groupId>
         <artifactId>icge</artifactId>
-        <version>2.3.8</version>
+        <version>2.3.9-Snapshot</version>
     </parent>
     <artifactId>icge-ui</artifactId>
     <name>ICGE Ui</name>
     <properties>
-        <icge.version>2.3.8</icge.version>
+        <icge.version>2.3.9-Snapshot</icge.version>
     </properties>
     <dependencies>
         <dependency>
diff --git a/ICGE-build-tools/pom.xml b/ICGE-build-tools/pom.xml
index b5b572fd..533a3ca9 100644
--- a/ICGE-build-tools/pom.xml
+++ b/ICGE-build-tools/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fius</groupId>
         <artifactId>icge</artifactId>
-        <version>2.3.8</version>
+        <version>2.3.9-Snapshot</version>
     </parent>
     <artifactId>icge-build-tools</artifactId>
     <name>ICGE build tools</name>
diff --git a/pom.xml b/pom.xml
index b32845b9..f6dee441 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>de.fius</groupId>
     <artifactId>icge</artifactId>
-    <version>2.3.8</version>
+    <version>2.3.9-Snapshot</version>
     <name>Introduction Course Game Engine</name>
     <description>The game engine for the java intoduction course of FIUS</description>
     <url>https://fius.github.io/icge2</url>
@@ -12,7 +12,7 @@
         <java.version>11</java.version>
         <junit.jupiter.version>5.3.1</junit.jupiter.version>
         <junit.platform.version>1.1.0</junit.platform.version>
-        <icge.version>2.3.8</icge.version>
+        <icge.version>2.3.9-Snapshot</icge.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.artifactId>ICGE2</project.artifactId>
         <project.groupId>project.groupId</project.groupId>