diff --git a/docker/ci/alpine/Dockerfile b/docker/ci/alpine/Dockerfile
index 0da64f255777..e9dcdf341cd6 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:3.12.2@sha256:25f5332d060da2c7ea2c8a85d2eac623bd0b5f97d508b165f846c7d172897438 AS setup_ci_alpine
+FROM alpine:3.15.4@sha256:4edbd2beb5f78b1014028f4fbb99f3237d9561100b6881aabbf5acce2c4f9454 AS setup_ci_alpine
 
 WORKDIR /diem
 COPY rust-toolchain /diem/rust-toolchain