diff --git a/.forgejo/workflows/run_tests.yaml b/.forgejo/workflows/run_tests.yaml
index ed6f5e9..1c33af6 100644
--- a/.forgejo/workflows/run_tests.yaml
+++ b/.forgejo/workflows/run_tests.yaml
@@ -4,6 +4,8 @@ on: [push]
 jobs:
   test:
     runs-on: docker
+    container:
+      image: python:3
     steps:
       - name: Check out repository
         uses: actions/checkout@v4