diff --git a/.github/workflows/unittests.yaml b/.github/workflows/unittests.yaml
index f61bc484c..5f7705d4d 100644
--- a/.github/workflows/unittests.yaml
+++ b/.github/workflows/unittests.yaml
@@ -11,7 +11,7 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         python: [3.7, 3.8, 3.9, '3.10', '3.11', '3.12']