diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 936fe93..86371cc 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -10,7 +10,7 @@ jobs:
       max-parallel: 16
       matrix:
         # os: [ubuntu-18.04, ubuntu-20.04, ubuntu-22.04, macos-10.15]
-        os: [ubuntu-18.04, ubuntu-20.04]
+        os: [ubuntu-18.04, ubuntu-20.04, ubuntu-22.04]
         python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
 
     steps: