diff --git a/Dockerfile b/Dockerfile
index 86eb979..c6b2222 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:3.4
-RUN apk --no-cache add curl ca-certificates bash
-RUN curl -Lo /usr/local/bin/kubectl https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl
-RUN chmod +x /usr/local/bin/kubectl
+RUN apk --no-cache add curl ca-certificates bash && \
+    curl -Lo /usr/local/bin/kubectl https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl && \
+    chmod +x /usr/local/bin/kubectl
 COPY update.sh /bin/
 ENTRYPOINT ["/bin/bash"]
 CMD ["/bin/update.sh"]