diff --git a/.forgejo/testdata/build-release/Dockerfile b/.forgejo/testdata/build-release/Dockerfile
index d10564359e..09cce06c47 100644
--- a/.forgejo/testdata/build-release/Dockerfile
+++ b/.forgejo/testdata/build-release/Dockerfile
@@ -1,4 +1,4 @@
-FROM data.forgejo.org/oci/alpine:3.21
+FROM data.forgejo.org/oci/alpine:3.22
 ARG RELEASE_VERSION=unkown
 LABEL maintainer="contact@forgejo.org" \
       org.opencontainers.image.version="${RELEASE_VERSION}"
diff --git a/Dockerfile b/Dockerfile
index 6d9a25f63e..adf670e3a5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -51,7 +51,7 @@ RUN chmod 755 /tmp/local/usr/bin/entrypoint \
               /go/src/forgejo.org/environment-to-ini
 RUN chmod 644 /go/src/forgejo.org/contrib/autocompletion/bash_autocomplete
 
-FROM data.forgejo.org/oci/alpine:3.21
+FROM data.forgejo.org/oci/alpine:3.22
 ARG RELEASE_VERSION
 LABEL maintainer="contact@forgejo.org" \
       org.opencontainers.image.authors="Forgejo" \
diff --git a/Dockerfile.rootless b/Dockerfile.rootless
index b8a0903a79..642eaf6e29 100644
--- a/Dockerfile.rootless
+++ b/Dockerfile.rootless
@@ -49,7 +49,7 @@ RUN chmod 755 /tmp/local/usr/local/bin/docker-entrypoint.sh \
               /go/src/forgejo.org/environment-to-ini
 RUN chmod 644 /go/src/forgejo.org/contrib/autocompletion/bash_autocomplete
 
-FROM data.forgejo.org/oci/alpine:3.21
+FROM data.forgejo.org/oci/alpine:3.22
 ARG RELEASE_VERSION
 LABEL maintainer="contact@forgejo.org" \
       org.opencontainers.image.authors="Forgejo" \