diff --git a/pom.xml b/pom.xml
index 1d00bdb..3d65190 100644
--- a/pom.xml
+++ b/pom.xml
@@ -163,7 +163,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-source-plugin</artifactId>
-                    <version>2.4</version>
+                    <version>3.2.1</version>
                     <executions>
                         <execution>
                             <id>attach-sources</id>