diff --git a/Dockerfile b/Dockerfile
index 1041a7e..c23549b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
-FROM rancher/hyperkube-base:v0.0.20
+FROM rancher/hyperkube-base:v0.0.21
 
 COPY k8s-binaries/kube* /usr/local/bin/