diff --git a/docker/client/Dockerfile b/docker/client/Dockerfile
index 7754187c2ee8..27d35781f10c 100644
--- a/docker/client/Dockerfile
+++ b/docker/client/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:buster-20201117@sha256:f520e4a80b736389c3de162b8f60608d11c9fa3b2ec619bd40aabfd7e70d3455 AS toolchain
+FROM debian:buster-20210511@sha256:acf7795dc91df17e10effee064bd229580a9c34213b4dba578d64768af5d8c51 AS toolchain
 
 # To use http/https proxy while building, use:
 # docker build --build-arg https_proxy=http://fwdproxy:8080 --build-arg http_proxy=http://fwdproxy:8080