diff --git a/pom.xml b/pom.xml
index 89ba1ed..601be3c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,7 +48,7 @@
     <maven-javadoc-plugin.version>3.8.0</maven-javadoc-plugin.version>
     <maven-resources-plugin.version>3.3.1</maven-resources-plugin.version>
     <maven-site-plugin.version>3.20.0</maven-site-plugin.version>
-    <maven-source-plugin.version>2.4</maven-source-plugin.version>
+    <maven-source-plugin.version>3.3.1</maven-source-plugin.version>
     <maven-surefire-plugin.version>3.2.2</maven-surefire-plugin.version>
     <sisu-maven-plugin.version>0.9.0.M3</sisu-maven-plugin.version>
     <central-publishing-maven-plugin.version>0.6.0</central-publishing-maven-plugin.version>