diff --git a/pom.xml b/pom.xml
index 9b294e9..6ed2e44 100644
--- a/pom.xml
+++ b/pom.xml
@@ -128,7 +128,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>
-        <version>3.3.0</version> <!-- do not update to 3.3.0 due to a bug regarding multi module builds -->
+        <version>3.2.1</version> <!-- do not update to 3.3.0 due to a bug regarding multi module builds -->
         <executions>
           <execution>
             <id>attach-sources</id>