diff --git a/docker/ci/github/Dockerfile b/docker/ci/github/Dockerfile
index ed5f06d55495..a3991ba08c6e 100644
--- a/docker/ci/github/Dockerfile
+++ b/docker/ci/github/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:buster-20210511@sha256:acf7795dc91df17e10effee064bd229580a9c34213b4dba578d64768af5d8c51 AS setup_ci
+FROM debian:buster-20210927@sha256:37b68406b219ca10fd50a49340da9e6e9ac189deecf75c3d3bd90a016d29fbb0 AS setup_ci
 
 RUN mkdir /diem
 COPY rust-toolchain /diem/rust-toolchain