diff --git a/pom.xml b/pom.xml
index f54581d..5040655 100644
--- a/pom.xml
+++ b/pom.xml
@@ -182,7 +182,7 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-source-plugin</artifactId>
-            <version>2.2.1</version>
+            <version>3.4.0</version>
             <executions>
               <execution>
                 <id>attach-sources</id>