diff --git a/Dockerfile b/Dockerfile
index 2a4c9ac36f4558dadd987fde0a828a198ffee07e..dd1428f6b310f7696b7867f4fe19a3f5e8ebe59f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,6 +30,6 @@ ADD init.sh /init.sh
 
 # Start Jenkins
 ENV JAVA_ARGS "-Xmx512m"
-EXPOSE 8080 8081
+EXPOSE 8080 8081 33848/udp
 VOLUME ["/var/lib/jenkins"]
 CMD ["/bin/bash", "/init.sh"]
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