diff --git a/imageio-openjpeg/pom.xml b/imageio-openjpeg/pom.xml
index 53f6524..9dda1ab 100644
--- a/imageio-openjpeg/pom.xml
+++ b/imageio-openjpeg/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>de.digitalcollections.imageio</groupId>
     <artifactId>imageio-jnr</artifactId>
-    <version>0.3.1-SNAPSHOT</version>
+    <version>0.3.1</version>
   </parent>
   <artifactId>imageio-openjpeg</artifactId>
   <name>MDZ/Bayerische Staatsbibliothek :: ImageIO :: OpenJPEG/JPEG2000 plugin</name>
diff --git a/imageio-turbojpeg/pom.xml b/imageio-turbojpeg/pom.xml
index f224ce1..50e44b6 100644
--- a/imageio-turbojpeg/pom.xml
+++ b/imageio-turbojpeg/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>de.digitalcollections.imageio</groupId>
     <artifactId>imageio-jnr</artifactId>
-    <version>0.3.1-SNAPSHOT</version>
+    <version>0.3.1</version>
   </parent>
   <artifactId>imageio-turbojpeg</artifactId>
   <name>MDZ/Bayerische Staatsbibliothek :: ImageIO :: TurboJPEG plugin</name>
diff --git a/pom.xml b/pom.xml
index dfafa4a..aca6870 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
   <groupId>de.digitalcollections.imageio</groupId>
   <artifactId>imageio-jnr</artifactId>
-  <version>0.3.1-SNAPSHOT</version>
+  <version>0.3.1</version>
   <packaging>pom</packaging>
   <name>MDZ/Bayerische Staatsbibliothek :: ImageIO</name>
   <description>Parent for ImageIO-JNR components.</description>