diff --git a/pom.xml b/pom.xml
index c246f55..5efc360 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
 
         <!-- plugins -->
         <maven-compiler.version>3.12.1</maven-compiler.version>
-        <maven-source.version>3.3.0</maven-source.version>
+        <maven-source.version>3.3.1</maven-source.version>
         <maven-surefire.version>3.2.5</maven-surefire.version>
         <maven-deploy.version>3.1.1</maven-deploy.version>
         <maven-failsafe.version>3.2.5</maven-failsafe.version>