diff --git a/Dockerfile b/Dockerfile
index b6cbc7e..19679b3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,7 +21,7 @@ RUN apt-get install -y apache2 apache2-utils libapache2-mod-svn subversion
 # added more packages to separate install 
 # since apache2 currently has a dependency problem and 
 # cached docker image can be reused
-RUN apt-get install -y git python3 python3-pip
+RUN apt-get install -y git python3 python3-pip sudo
 
 # copy the script to run httpd in foreground
 COPY httpd-foreground /usr/local/bin/