diff --git a/docker/ci/alpine/Dockerfile b/docker/ci/alpine/Dockerfile
index 372732f73fb6..86150f5e7bd1 100644
--- a/docker/ci/alpine/Dockerfile
+++ b/docker/ci/alpine/Dockerfile
@@ -1,5 +1,5 @@
 # while using circle we'll use circle's base image.
-FROM alpine:3.14.2@sha256:e1c082e3d3c45cccac829840a25941e679c25d438cc8412c2fa221cf1a824e6a AS setup_ci_alpine
+FROM alpine:3.15.3@sha256:f22945d45ee2eb4dd463ed5a431d9f04fcd80ca768bb1acf898d91ce51f7bf04 AS setup_ci_alpine
 
 WORKDIR /diem
 COPY rust-toolchain /diem/rust-toolchain