diff --git a/docker/ci/alpine/Dockerfile b/docker/ci/alpine/Dockerfile
index 372732f73fb6..db7c504c88b5 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:3.15.0@sha256:21a3deaa0d32a8057914f36584b5288d2e5ecc984380bc0118285c70fa8c9300 AS setup_ci_alpine
 
 WORKDIR /diem
 COPY rust-toolchain /diem/rust-toolchain