diff --git a/docker/ci/alpine/Dockerfile b/docker/ci/alpine/Dockerfile
index 091e49e95c9b..e75dfc5b2e3f 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:3.15.0@sha256:21a3deaa0d32a8057914f36584b5288d2e5ecc984380bc0118285c70fa8c9300 AS setup_ci_alpine
 
 WORKDIR /diem
 COPY rust-toolchain /diem/rust-toolchain