diff --git a/docker/ci/alpine/Dockerfile b/docker/ci/alpine/Dockerfile
index 091e49e95c9b..f6f93bcc1293 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:3.13.5@sha256:69e70a79f2d41ab5d637de98c1e0b055206ba40a8145e7bddb55ccc04e13cf8f AS setup_ci_alpine
+FROM alpine:3.15.3@sha256:f22945d45ee2eb4dd463ed5a431d9f04fcd80ca768bb1acf898d91ce51f7bf04 AS setup_ci_alpine
 
 WORKDIR /diem
 COPY rust-toolchain /diem/rust-toolchain