diff --git a/Dockerfile b/Dockerfile
index 9b0ce3142cac095f5de5e4bafa5558bbdbfd12dd..8097ddbbec8575025fe13a5dd72919a7311abe0e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,9 +26,8 @@ COPY *.gem /opt/
 
 USER root
 RUN yum update -y && \
-    yum -y upgrade
-
-RUN yum -y install java-1.8.0-openjdk-headless net-tools procps && rpm -Uvh /opt/puppet*.rpm
+    yum -y upgrade && \
+    yum -y install java-1.8.0-openjdk-headless net-tools procps && rpm -Uvh /opt/puppet*.rpm
 
 
 ENV PUPPETSERVER_JAVA_ARGS="-Xms512m -Xmx512m" \