diff --git a/Dockerfile b/Dockerfile
index c272aec94d..7cee0f32d3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 # Build stage
-FROM docker.io/library/golang:1.25-alpine3.23 AS build-env
+FROM docker.io/library/golang:1.25-alpine3.22 AS build-env
 
 ARG GOPROXY=direct
 
@@ -39,7 +39,7 @@ RUN chmod 755 /tmp/local/usr/bin/entrypoint \
               /tmp/local/etc/s6/.s6-svscan/* \
               /go/src/code.gitea.io/gitea/gitea
 
-FROM docker.io/library/alpine:3.23 AS gitea
+FROM docker.io/library/alpine:3.22 AS gitea
 
 EXPOSE 22 3000
 
diff --git a/Dockerfile.rootless b/Dockerfile.rootless
index 2c6abaab3c..8a6fa587e9 100644
--- a/Dockerfile.rootless
+++ b/Dockerfile.rootless
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 # Build stage
-FROM docker.io/library/golang:1.25-alpine3.23 AS build-env
+FROM docker.io/library/golang:1.25-alpine3.22 AS build-env
 
 ARG GOPROXY=direct
 
@@ -33,7 +33,7 @@ COPY docker/rootless /tmp/local
 RUN chmod 755 /tmp/local/usr/local/bin/* \
               /go/src/code.gitea.io/gitea/gitea
 
-FROM docker.io/library/alpine:3.23 AS gitea-rootless
+FROM docker.io/library/alpine:3.22 AS gitea-rootless
 
 EXPOSE 2222 3000