diff --git a/server/Dockerfile b/server/Dockerfile
index 09809d6..436b036 100644
--- a/server/Dockerfile
+++ b/server/Dockerfile
@@ -1,8 +1,8 @@
 FROM base
 MAINTAINER Harry Marr <harry.marr@gmail.com>
 
-RUN apt-get update
-RUN apt-get install -y build-essential python ruby golang-go perl
+RUN apt-get update && \
+    apt-get install -y build-essential python ruby golang-go perl
 
 ADD entrypoint.sh entrypoint.sh
 ADD run-code.sh run-code.sh