diff --git a/pom.xml b/pom.xml
index 1be1aba..42c4edb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -126,7 +126,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>
-        <version>2.2.1</version>
+        <version>2.4</version>
         <executions>
           <execution>
             <id>attach-sources</id>