diff --git a/pom.xml b/pom.xml
index 0448bbf..879ac4c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -78,7 +78,7 @@
       <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>