diff --git a/2.4.0/ubuntu/14.04/Dockerfile b/2.4.0/ubuntu/14.04/Dockerfile
index 7c0eacd..29e969e 100644
--- a/2.4.0/ubuntu/14.04/Dockerfile
+++ b/2.4.0/ubuntu/14.04/Dockerfile
@@ -1,10 +1,10 @@
 FROM ubuntu:14.04
 MAINTAINER Peter Ericson <pdericson@gmail.com>
 
-ENV CACERTIFICATES_VERSION="20160104ubuntu0.14.04.1"
-ENV CHRONOS_VERSION="2.4.0-0.1.20151007110204.ubuntu1404"
-ENV CURL_VERSION="7.35.0-1ubuntu2.9"
-ENV MESOS_VERSION="0.28.1-2.0.20.ubuntu1404"
+ENV CACERTIFICATES_VERSION="20160104ubuntu0.14.04.1" \
+    CHRONOS_VERSION="2.4.0-0.1.20151007110204.ubuntu1404" \
+    CURL_VERSION="7.35.0-1ubuntu2.9" \
+    MESOS_VERSION="0.28.1-2.0.20.ubuntu1404"
 
 WORKDIR /usr/local/bin/