diff --git a/Godeps/_workspace/src/golang.org/x/net/http2/Dockerfile b/Godeps/_workspace/src/golang.org/x/net/http2/Dockerfile
index b4e14d55a515..4650a79f1cd7 100644
--- a/Godeps/_workspace/src/golang.org/x/net/http2/Dockerfile
+++ b/Godeps/_workspace/src/golang.org/x/net/http2/Dockerfile
@@ -6,7 +6,7 @@
 # Go tests use this curl binary for integration tests.
 #
 
-FROM ubuntu:trusty
+FROM ubuntu:trusty-20190425
 
 RUN apt-get update && \
     apt-get upgrade -y && \