diff --git a/pom.xml b/pom.xml
index 35774d77..f3ddad63 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
 
   <groupId>de.digitalcollections</groupId>
   <artifactId>iiif-server-hymir</artifactId>
-  <version>5.1.12</version>
+  <version>5.1.13-SNAPSHOT</version>
   <packaging>jar</packaging>
 
   <url>https://github.com/dbmdz/iiif-server-hymir</url>