diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 67a0a02..29815f0 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -14,7 +14,7 @@ jobs:
       max-parallel: 4
       matrix:
         # use quotes around 3.10, 3.10 as float convert to 3.1
-        python-version: [3.7, 3.8, 3.9, "3.10"]
+        python-version: [3.7, 3.8, 3.9, "3.10", "3.11"]
 
     steps:
     - uses: actions/checkout@v3