diff --git a/vendor/cloud.google.com/go/internal/gapicgen/cmd/genmgr/Dockerfile b/vendor/cloud.google.com/go/internal/gapicgen/cmd/genmgr/Dockerfile
index 53b20b2ea..87ef8a4a6 100644
--- a/vendor/cloud.google.com/go/internal/gapicgen/cmd/genmgr/Dockerfile
+++ b/vendor/cloud.google.com/go/internal/gapicgen/cmd/genmgr/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.13.4-alpine
+FROM golang:1-alpine
 
 RUN apk update && \
     apk add ca-certificates wget git unzip bash