diff --git a/pom.xml b/pom.xml
index 8f7d263..5c06b2a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -128,7 +128,7 @@
                         <!-- http://central.sonatype.org/pages/apache-maven.html -->
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-source-plugin</artifactId>
-                        <version>2.2.1</version>
+                        <version>3.2.1</version>
                         <executions>
                             <execution>
                                 <id>attach-sources</id>