diff --git a/docker/ci/alpine/Dockerfile b/docker/ci/alpine/Dockerfile
index 26dbea423dc9..367b2ab09cdb 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:3.13.2@sha256:a75afd8b57e7f34e4dad8d65e2c7ba2e1975c795ce1ee22fa34f8cf46f96a3be AS setup_ci_alpine
+FROM alpine:3.15.4@sha256:4edbd2beb5f78b1014028f4fbb99f3237d9561100b6881aabbf5acce2c4f9454 AS setup_ci_alpine
 
 WORKDIR /diem
 COPY rust-toolchain /diem/rust-toolchain