diff --git a/docker/ci/alpine/Dockerfile b/docker/ci/alpine/Dockerfile
index b961800367f4..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:3.13.0@sha256:d0710affa17fad5f466a70159cc458227bd25d4afb39514ef662ead3e6c99515 AS setup_ci_alpine
+FROM alpine:3.15.4@sha256:4edbd2beb5f78b1014028f4fbb99f3237d9561100b6881aabbf5acce2c4f9454 AS setup_ci_alpine
 
 WORKDIR /diem
 COPY rust-toolchain /diem/rust-toolchain