diff --git a/pom.xml b/pom.xml
index 48421f9..08716c8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,6 +28,7 @@
0.8.12
3.2.3
3.1.1
+ 3.3.1
21
@@ -196,6 +197,20 @@
true
+
+ org.apache.maven.plugins
+ maven-source-plugin
+ ${source-plugin.version}
+
+
+ attach-sources
+ verify
+
+ jar-no-fork
+
+
+
+