diff --git a/docker/ci/alpine/Dockerfile b/docker/ci/alpine/Dockerfile
index 3697f4efda80..5158254c74a7 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:3.12.1@sha256:d7342993700f8cd7aba8496c2d0e57be0666e80b4c441925fc6f9361fa81d10e AS setup_ci_alpine
+FROM alpine:3.15.0@sha256:21a3deaa0d32a8057914f36584b5288d2e5ecc984380bc0118285c70fa8c9300 AS setup_ci_alpine
 
 WORKDIR /diem
 COPY rust-toolchain /diem/rust-toolchain