diff --git a/core-cpp/pom.xml b/core-cpp/pom.xml
index 2890370b..ce05620e 100644
--- a/core-cpp/pom.xml
+++ b/core-cpp/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.ode4j</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.5.3-SNAPSHOT</version>
+		<version>0.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>core-cpp</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index 3fc9a471..52c0cc51 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.ode4j</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.5.3-SNAPSHOT</version>
+		<version>0.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>core</artifactId>
diff --git a/demo-cpp/pom.xml b/demo-cpp/pom.xml
index 90b93047..af7efefe 100644
--- a/demo-cpp/pom.xml
+++ b/demo-cpp/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.ode4j</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.5.3-SNAPSHOT</version>
+		<version>0.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>demo-cpp</artifactId>
diff --git a/demo/pom.xml b/demo/pom.xml
index ebdeaab2..dd827181 100644
--- a/demo/pom.xml
+++ b/demo/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.ode4j</groupId>
 		<artifactId>parent</artifactId>
-		<version>0.5.3-SNAPSHOT</version>
+		<version>0.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>demo</artifactId>
diff --git a/pom.xml b/pom.xml
index 39524657..f461dbe4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
 	<groupId>org.ode4j</groupId>
 	<artifactId>parent</artifactId>
-	<version>0.5.3-SNAPSHOT</version>
+	<version>0.5.2-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
 	<modules>