diff --git a/pom.xml b/pom.xml
index 151866a..a39033a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.fuchss</groupId>
         <artifactId>maven-parent</artifactId>
-        <version>0.21.28</version>
+        <version>0.21.31</version>
     </parent>
     <groupId>org.fuchss.matrix</groupId>
     <artifactId>yarb</artifactId>