diff --git a/.github/workflows/python-test_and_lint.yml b/.github/workflows/python-test_and_lint.yml
index 455c927..485e9c7 100644
--- a/.github/workflows/python-test_and_lint.yml
+++ b/.github/workflows/python-test_and_lint.yml
@@ -9,11 +9,11 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
 
     steps:
     - uses: actions/checkout@v2