diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 7a8cc40..28c23c7 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -18,7 +18,7 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-22.04, macos-latest]
         python-version: ["3.9", "3.10", "3.11"]
 
     steps: