diff --git a/Dockerfile b/Dockerfile
index 70c73fea2..0763abcb1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,3 +4,4 @@ From tomcat:8-jre8
 # Maintainer 
 MAINTAINER "valaxytech@gmail.com" 
 COPY ./webapp.war /usr/local/tomcat/webapps
+RUN apt-get upgrade -y