diff --git a/Dockerfile b/Dockerfile
index a8cd8c8..097c7c1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM google/cloud-sdk:472.0.0-alpine
+FROM google/cloud-sdk:473.0.0-alpine
 
 RUN gcloud components install beta --quiet