diff --git a/.forgejo/workflows/build.yaml b/.forgejo/workflows/build.yaml
index 7097dd8..c491130 100644
--- a/.forgejo/workflows/build.yaml
+++ b/.forgejo/workflows/build.yaml
@@ -4,7 +4,7 @@ on:
     - cron: '0 0 * */1 *'
 jobs:
   build:
-    runs-on: docker
+    runs-on: gitea-container-builder
     steps:
       - run: apk add buildah wget
       - run: buildah login --username ${{ secrets.username }} --password ${{ secrets.password }} ${GITHUB_SERVER_URL}
diff --git a/Dockerfile b/Dockerfile
index 178dc6a..b75d37d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
 # hadolint ignore=DL3006
-FROM alpine:latest
+FROM git.geekify.de/containers/alpine-bash:latest
 RUN apk add buildah wget