diff --git a/coverage/pom.xml b/coverage/pom.xml
index 5d59b5e78..1bb2d5c38 100644
--- a/coverage/pom.xml
+++ b/coverage/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.semanticweb.rulewerk</groupId>
 		<artifactId>rulewerk-parent</artifactId>
-		<version>0.9.0-SNAPSHOT</version>
+		<version>0.9.0</version>
 	</parent>
 
 	<artifactId>coverage</artifactId>
diff --git a/pom.xml b/pom.xml
index e3d41ed3b..bd97bd931 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
 
 	<groupId>org.semanticweb.rulewerk</groupId>
 	<artifactId>rulewerk-parent</artifactId>
-	<version>0.9.0-SNAPSHOT</version>
+	<version>0.9.0</version>
 	<packaging>pom</packaging>
 
 	<name>Rulewerk</name>
diff --git a/rulewerk-client/pom.xml b/rulewerk-client/pom.xml
index 079f43e32..877476cb6 100644
--- a/rulewerk-client/pom.xml
+++ b/rulewerk-client/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.semanticweb.rulewerk</groupId>
 		<artifactId>rulewerk-parent</artifactId>
-		<version>0.9.0-SNAPSHOT</version>
+		<version>0.9.0</version>
 	</parent>
 
 	<artifactId>rulewerk-client</artifactId>
diff --git a/rulewerk-commands/pom.xml b/rulewerk-commands/pom.xml
index 436c9f7a8..63abf7230 100644
--- a/rulewerk-commands/pom.xml
+++ b/rulewerk-commands/pom.xml
@@ -7,7 +7,7 @@
   <parent>
 	  <groupId>org.semanticweb.rulewerk</groupId>
 	  <artifactId>rulewerk-parent</artifactId>
-	  <version>0.9.0-SNAPSHOT</version>
+	  <version>0.9.0</version>
   </parent>
 
   <artifactId>rulewerk-commands</artifactId>
diff --git a/rulewerk-core/pom.xml b/rulewerk-core/pom.xml
index bb19807a6..090ddbb92 100644
--- a/rulewerk-core/pom.xml
+++ b/rulewerk-core/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.semanticweb.rulewerk</groupId>
 		<artifactId>rulewerk-parent</artifactId>
-		<version>0.9.0-SNAPSHOT</version>
+		<version>0.9.0</version>
 	</parent>
 
 	<artifactId>rulewerk-core</artifactId>
diff --git a/rulewerk-examples/pom.xml b/rulewerk-examples/pom.xml
index 5daeac2c1..33222d613 100644
--- a/rulewerk-examples/pom.xml
+++ b/rulewerk-examples/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.semanticweb.rulewerk</groupId>
 		<artifactId>rulewerk-parent</artifactId>
-		<version>0.9.0-SNAPSHOT</version>
+		<version>0.9.0</version>
 	</parent>
 
 	<artifactId>rulewerk-examples</artifactId>
diff --git a/rulewerk-graal/pom.xml b/rulewerk-graal/pom.xml
index 41467c8d5..1e987e3bf 100644
--- a/rulewerk-graal/pom.xml
+++ b/rulewerk-graal/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.semanticweb.rulewerk</groupId>
 		<artifactId>rulewerk-parent</artifactId>
-		<version>0.9.0-SNAPSHOT</version>
+		<version>0.9.0</version>
 	</parent>
 
 	<artifactId>rulewerk-graal</artifactId>
diff --git a/rulewerk-integrationtests/pom.xml b/rulewerk-integrationtests/pom.xml
index 9a4e5826f..77b3865b9 100644
--- a/rulewerk-integrationtests/pom.xml
+++ b/rulewerk-integrationtests/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.semanticweb.rulewerk</groupId>
 		<artifactId>rulewerk-parent</artifactId>
-		<version>0.9.0-SNAPSHOT</version>
+		<version>0.9.0</version>
 	</parent>
 
 	<artifactId>rulewerk-integrationtests</artifactId>
diff --git a/rulewerk-owlapi/pom.xml b/rulewerk-owlapi/pom.xml
index f4c4cbff9..24781b9b6 100644
--- a/rulewerk-owlapi/pom.xml
+++ b/rulewerk-owlapi/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.semanticweb.rulewerk</groupId>
 		<artifactId>rulewerk-parent</artifactId>
-		<version>0.9.0-SNAPSHOT</version>
+		<version>0.9.0</version>
 	</parent>
 
 	<artifactId>rulewerk-owlapi</artifactId>
diff --git a/rulewerk-parser/pom.xml b/rulewerk-parser/pom.xml
index 982e14f02..de1f6a0e3 100644
--- a/rulewerk-parser/pom.xml
+++ b/rulewerk-parser/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>org.semanticweb.rulewerk</groupId>
 		<artifactId>rulewerk-parent</artifactId>
-		<version>0.9.0-SNAPSHOT</version>
+		<version>0.9.0</version>
 	</parent>
 
 	<artifactId>rulewerk-parser</artifactId>
diff --git a/rulewerk-rdf/pom.xml b/rulewerk-rdf/pom.xml
index 9c93045bc..8b67a5127 100644
--- a/rulewerk-rdf/pom.xml
+++ b/rulewerk-rdf/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>org.semanticweb.rulewerk</groupId>
 		<artifactId>rulewerk-parent</artifactId>
-		<version>0.9.0-SNAPSHOT</version>
+		<version>0.9.0</version>
 	</parent>
 
 	<artifactId>rulewerk-rdf</artifactId>
diff --git a/rulewerk-vlog/pom.xml b/rulewerk-vlog/pom.xml
index a8ef7572b..3e06b76ed 100644
--- a/rulewerk-vlog/pom.xml
+++ b/rulewerk-vlog/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.semanticweb.rulewerk</groupId>
 		<artifactId>rulewerk-parent</artifactId>
-		<version>0.9.0-SNAPSHOT</version>
+		<version>0.9.0</version>
 	</parent>
 
 	<artifactId>rulewerk-vlog</artifactId>