diff --git a/pom.xml b/pom.xml
index b20936c..669ffea 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,7 +37,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>
         <maven-javadoc-plugin.version>3.1.1</maven-javadoc-plugin.version>
-        <maven-source-plugin.version>3.1.0</maven-source-plugin.version>
+        <maven-source-plugin.version>3.2.1</maven-source-plugin.version>
         <maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
         <maven-deploy-plugin.version>3.0.0-M1</maven-deploy-plugin.version>
         <nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>