diff --git a/util/MsSql/Dockerfile b/util/MsSql/Dockerfile
index dc5203391b..320e08d57a 100644
--- a/util/MsSql/Dockerfile
+++ b/util/MsSql/Dockerfile
@@ -1,4 +1,4 @@
-FROM microsoft/mssql-server-linux:2017-CU5
+FROM microsoft/mssql-server-linux:2017-CU7
 
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \