diff --git a/pom.xml b/pom.xml
index 107e061..7c2a6ce 100644
--- a/pom.xml
+++ b/pom.xml
@@ -100,7 +100,7 @@
         <maven-surefire-plugin.version>3.5.6</maven-surefire-plugin.version>
         <maven-failsafe-plugin.version>3.5.3</maven-failsafe-plugin.version>
         <maven-jar-plugin.version>3.5.1</maven-jar-plugin.version>
-        <maven-source-plugin.version>3.3.1</maven-source-plugin.version>
+        <maven-source-plugin.version>3.4.0</maven-source-plugin.version>
         <maven-javadoc-plugin.version>3.12.0</maven-javadoc-plugin.version>
         <maven-gpg-plugin.version>3.2.7</maven-gpg-plugin.version>
         <maven-deploy-plugin.version>3.1.3</maven-deploy-plugin.version>