diff --git a/eng/docker/bionic.Dockerfile b/eng/docker/bionic.Dockerfile
index 9fe672137af3..d1b063345c43 100644
--- a/eng/docker/bionic.Dockerfile
+++ b/eng/docker/bionic.Dockerfile
@@ -1,4 +1,4 @@
-FROM microsoft/dotnet:2.1-runtime-deps-bionic
+FROM mcr.microsoft.com/dotnet/runtime-deps:2.1-bionic
 
 ARG USER
 ARG USER_ID