diff --git a/.gitea/workflows/dockerfile_runner.yaml b/.gitea/workflows/dockerfile_runner.yaml
index df90fcc..779d039 100644
--- a/.gitea/workflows/dockerfile_runner.yaml
+++ b/.gitea/workflows/dockerfile_runner.yaml
@@ -12,7 +12,7 @@ jobs:
     container:
       volumes:
         - act-toolcache:/opt/hostedtoolcache # this is where Runner store their cache default
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - run: echo "🔎 The name of your branch is ${{ gitea.ref }} and your repository is ${{ gitea.repository }}."
       - name: Check out repository code