diff --git a/util/Setup/Dockerfile b/util/Setup/Dockerfile
index e3a30f7b58..8aee82542d 100644
--- a/util/Setup/Dockerfile
+++ b/util/Setup/Dockerfile
@@ -1,4 +1,4 @@
-FROM microsoft/dotnet:2.0-runtime
+FROM microsoft/dotnet:2.0.3-runtime
 
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \