diff --git a/Dockerfile b/Dockerfile
index 4e60c92..bb177b7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -89,6 +89,7 @@
 COPY theme /usr/share/jenkins/ref/userContent/theme
 
 RUN JENKINS_UC_DOWNLOAD=http://archives.jenkins-ci.org /usr/local/bin/install-plugins.sh \
+        antisamy-markup-formatter \
         artifactory \
         blueocean \
         build-blocker-plugin \