diff --git a/pom.xml b/pom.xml
index 7fca565f..21ec65cf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -420,6 +420,7 @@
           <plugin>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>build-helper-maven-plugin</artifactId>
+            <version>3.3.0</version>
             <executions>
               <execution>
                 <id>add-test-source</id>