diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d7ffa3f3..e5b7e388 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -22,7 +22,7 @@ on:
       - 'README.md'
 jobs:
   build_fe40:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-18.04
     container: ghcr.io/hoehnp/openfoam-adapter:precice-foam-extend-4.0
     steps:
     - name: Check out repository