diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5a6e879..bb5c78a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,10 +8,17 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu, macos, windows]
-        python-version: [ 3.6, 3.7, 3.8, 3.9, "3.10", pypy-3.9 ]
+        python-version: [ 3.5, 3.6, 3.7, 3.8, 3.9, "3.10", "3.11", pypy-3.9 ]
         exclude:
-          - os: windows
-            python-version: pypy-3.9
+          - os: ubuntu
+            python-version: 3.5
+          - os: ubuntu
+            python-version: 3.6
+        include:
+          - os: ubuntu-20.04
+            python-version: 3.5
+          - os: ubuntu-20.04
+            python-version: 3.6
 
     steps:
       - uses: actions/checkout@v3