diff --git a/images/Dockerfile b/images/Dockerfile
index a38d5b3682b..dc217377049 100644
--- a/images/Dockerfile
+++ b/images/Dockerfile
@@ -87,9 +87,9 @@ RUN cd /tmp && \
 # Install ksonnet
 RUN cd /tmp && \
     wget -O ks.tar.gz \
-    https://github.com/ksonnet/ksonnet/releases/download/v0.9.0/ks_0.9.0_linux_amd64.tar.gz  && \
+    https://github.com/ksonnet/ksonnet/releases/download/v0.9.1/ks_0.9.1_linux_amd64.tar.gz  && \
     tar -xvf ks.tar.gz && \
-    mv ks_0.8.0_linux_amd64/ks /usr/local/bin && \
+    mv ks_0.9.1_linux_amd64/ks /usr/local/bin && \
     chmod a+x /usr/local/bin/ks
 
 COPY ./requirements.txt /tmp/requirements.txt