diff --git a/hack/dockerbuild/build b/hack/dockerbuild/build
old mode 100644
new mode 100755
index f763647c..6f60192a
--- a/hack/dockerbuild/build
+++ b/hack/dockerbuild/build
@@ -1,7 +1,15 @@
+#!/bin/bash
+
 docker build -t kubernetes-mesos:build-base .
 docker tag kubernetes-mesos:build-base jdef/kubernetes-mesos:build-base
 
-for i in mesos-0.20.1-compat mesos-0.21.0-compat; do
+versions=(
+  mesos-0.20.1-compat
+  mesos-0.21.0-compat
+  mesos-0.21.1-compat
+)
+
+for i in "${versions[@]}"; do
   test -d $i && docker build -t kubernetes-mesos:build-$i $i && docker tag kubernetes-mesos:build-$i kubernetes-mesos:build-latest
   docker tag kubernetes-mesos:build-$i jdef/kubernetes-mesos:build-$i
   docker tag kubernetes-mesos:build-$i jdef/kubernetes-mesos:build-latest
diff --git a/hack/dockerbuild/mesos-0.21.1-compat/Dockerfile b/hack/dockerbuild/mesos-0.21.1-compat/Dockerfile
new file mode 100644
index 00000000..db3eddb5
--- /dev/null
+++ b/hack/dockerbuild/mesos-0.21.1-compat/Dockerfile
@@ -0,0 +1,10 @@
+FROM jdef/kubernetes-mesos:build-base
+MAINTAINER James DeFelice <james.defelice@gmail.com>
+
+ENV DEB_VERSION_MESOS 0.21.1-1.1.debian77
+
+RUN apt-key adv --keyserver keyserver.ubuntu.com --recv E56151BF && \
+    echo "deb http://repos.mesosphere.io/debian wheezy main" | \
+          tee /etc/apt/sources.list.d/mesosphere.list && \
+    apt-get -y update && \
+    apt-get -y install mesos=$DEB_VERSION_MESOS