diff --git a/.forgejo/workflows/check.yml b/.forgejo/workflows/check.yml
index ad1950e..8552eb6 100644
--- a/.forgejo/workflows/check.yml
+++ b/.forgejo/workflows/check.yml
@@ -5,13 +5,12 @@ on:
       - main
 jobs:
   checks:
-    runs-on: ubuntu-24.04
+    runs-on: docker
+    container.image: ghcr.io/catthehacker/ubuntu:act-22.04
     env:
       DIRECTORY: config
     steps:
       - uses: actions/checkout@v4
-      - run: lsb_release -a
-      - run: uname -srm
       - uses: actions/setup-python@v5
         with:
           python-version: '3.13'