diff --git a/pom.xml b/pom.xml
index 88d47586c..34f416580 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>org.wikidata.wdtk</groupId>
 	<artifactId>wdtk-parent</artifactId>
-	<version>0.4.0-SNAPSHOT</version>
+	<version>0.4.0</version>
 	<packaging>pom</packaging>
 
 	<name>Wikidata Toolkit</name>
diff --git a/wdtk-client/pom.xml b/wdtk-client/pom.xml
index 8c4d4160c..7779b92a6 100644
--- a/wdtk-client/pom.xml
+++ b/wdtk-client/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.wikidata.wdtk</groupId>
 		<artifactId>wdtk-parent</artifactId>
-		<version>0.4.0-SNAPSHOT</version>
+		<version>0.4.0</version>
 	</parent>
 
 	<artifactId>wdtk-client</artifactId>
diff --git a/wdtk-datamodel/pom.xml b/wdtk-datamodel/pom.xml
index 5c764792a..4d3d13297 100644
--- a/wdtk-datamodel/pom.xml
+++ b/wdtk-datamodel/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.wikidata.wdtk</groupId>
 		<artifactId>wdtk-parent</artifactId>
-		<version>0.4.0-SNAPSHOT</version>
+		<version>0.4.0</version>
 	</parent>
 
 	<artifactId>wdtk-datamodel</artifactId>
diff --git a/wdtk-distribution/pom.xml b/wdtk-distribution/pom.xml
index 75aead831..3b1672eb6 100644
--- a/wdtk-distribution/pom.xml
+++ b/wdtk-distribution/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.wikidata.wdtk</groupId>
 		<artifactId>wdtk-parent</artifactId>
-		<version>0.4.0-SNAPSHOT</version>
+		<version>0.4.0</version>
 	</parent>
 
 	<artifactId>wdtk-distribution</artifactId>
diff --git a/wdtk-dumpfiles/pom.xml b/wdtk-dumpfiles/pom.xml
index da5f4dd46..e8a23dede 100644
--- a/wdtk-dumpfiles/pom.xml
+++ b/wdtk-dumpfiles/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.wikidata.wdtk</groupId>
 		<artifactId>wdtk-parent</artifactId>
-		<version>0.4.0-SNAPSHOT</version>
+		<version>0.4.0</version>
 	</parent>
 
 	<artifactId>wdtk-dumpfiles</artifactId>
diff --git a/wdtk-examples/pom.xml b/wdtk-examples/pom.xml
index c737ff966..89aba58ee 100644
--- a/wdtk-examples/pom.xml
+++ b/wdtk-examples/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.wikidata.wdtk</groupId>
 		<artifactId>wdtk-parent</artifactId>
-		<version>0.4.0-SNAPSHOT</version>
+		<version>0.4.0</version>
 	</parent>
 
 	<artifactId>wdtk-examples</artifactId>
diff --git a/wdtk-rdf/pom.xml b/wdtk-rdf/pom.xml
index df84a1d47..68dc2a022 100644
--- a/wdtk-rdf/pom.xml
+++ b/wdtk-rdf/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.wikidata.wdtk</groupId>
     <artifactId>wdtk-parent</artifactId>
-    <version>0.4.0-SNAPSHOT</version>
+    <version>0.4.0</version>
   </parent>
 
   <artifactId>wdtk-rdf</artifactId>
diff --git a/wdtk-storage/pom.xml b/wdtk-storage/pom.xml
index 7e88b8b79..076d646db 100644
--- a/wdtk-storage/pom.xml
+++ b/wdtk-storage/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.wikidata.wdtk</groupId>
 		<artifactId>wdtk-parent</artifactId>
-		<version>0.4.0-SNAPSHOT</version>
+		<version>0.4.0</version>
 	</parent>
 
 	<artifactId>wdtk-storage</artifactId>
diff --git a/wdtk-testing/pom.xml b/wdtk-testing/pom.xml
index d921df035..d1b7b7326 100644
--- a/wdtk-testing/pom.xml
+++ b/wdtk-testing/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.wikidata.wdtk</groupId>
 		<artifactId>wdtk-parent</artifactId>
-		<version>0.4.0-SNAPSHOT</version>
+		<version>0.4.0</version>
 	</parent>
 
 	<artifactId>wdtk-testing</artifactId>
diff --git a/wdtk-util/pom.xml b/wdtk-util/pom.xml
index 17d651852..5de81cc2a 100644
--- a/wdtk-util/pom.xml
+++ b/wdtk-util/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.wikidata.wdtk</groupId>
 		<artifactId>wdtk-parent</artifactId>
-		<version>0.4.0-SNAPSHOT</version>
+		<version>0.4.0</version>
 	</parent>
 
 	<artifactId>wdtk-util</artifactId>