diff --git a/pom.xml b/pom.xml
index 85ed37c..17c0e69 100644
--- a/pom.xml
+++ b/pom.xml
@@ -198,7 +198,7 @@
                     <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>