diff --git a/pom.xml b/pom.xml
index ce3262e6..fabf53cf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -93,7 +93,7 @@
     <maven.plugin-tools.version>3.15.0</maven.plugin-tools.version>
 
     <!-- plugin versions a..z -->
-    <buildnumber-maven-plugin.version>3.2.0</buildnumber-maven-plugin.version>
+    <buildnumber-maven-plugin.version>3.2.1</buildnumber-maven-plugin.version>
     <groovy-maven-plugin.version>3.0.2</groovy-maven-plugin.version>
     <mrm.version>1.6.0</mrm.version>
     <junit-platform-launcher.version>1.3.2</junit-platform-launcher.version>