diff --git a/docker/client/Dockerfile b/docker/client/Dockerfile
index 7754187c2ee8..f54a7d6cae5a 100644
--- a/docker/client/Dockerfile
+++ b/docker/client/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:buster-20201117@sha256:f520e4a80b736389c3de162b8f60608d11c9fa3b2ec619bd40aabfd7e70d3455 AS toolchain
+FROM debian:buster-20210721@sha256:cc58a29c333ee594f7624d968123429b26916face46169304f07580644dde6b2 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