diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index ad4cc21..c3187ba 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -26,9 +26,13 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [2.7, 3.5, 3.6, 3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
+        python-version: [3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
         no-coverage: [0]
         include:
+          - os: ubuntu-20.04
+            python-version: '3.5'
+          - os: ubuntu-20.04
+            python-version: '3.6'
           - os: ubuntu-latest
             python-version: pypy-2.7
             no-coverage: 1