diff --git a/ci/alpine/Dockerfile b/ci/alpine/Dockerfile
index 3a71b09451..76aa75eeab 100644
--- a/ci/alpine/Dockerfile
+++ b/ci/alpine/Dockerfile
@@ -2,7 +2,7 @@ FROM alpine:latest
 
 # A version field to invalidate Cirrus's build cache when needed, as suggested in
 # https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
-ENV DOCKERFILE_VERSION 20230801
+ENV DOCKERFILE_VERSION 20230823
 
 RUN apk add --no-cache \
   bash \