diff --git a/docker/proxy-ms-unmerged/Dockerfile b/docker/proxy-ms-unmerged/Dockerfile
index 323bf061d..79a95fa39 100644
--- a/docker/proxy-ms-unmerged/Dockerfile
+++ b/docker/proxy-ms-unmerged/Dockerfile
@@ -1,4 +1,4 @@
-FROM registry.cern.ch/cmsweb/cmsweb:20230901-stable
+FROM registry.cern.ch/cmsweb/cmsweb:20240501-stable
 MAINTAINER Valentin Kuznetsov vkuznet@gmail.com
 
 ENV WDIR=/data