diff --git a/.github/workflows/python3check.yml b/.github/workflows/python3check.yml
index c0b3c9a..3ead4c9 100644
--- a/.github/workflows/python3check.yml
+++ b/.github/workflows/python3check.yml
@@ -20,7 +20,7 @@ jobs:
       run: |
         ./check_esxi_hardware.py --help
   python3-pywbem-0_8_1:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     steps:
     - uses: actions/checkout@v4
     - name: Install latest pywbem from pip