diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 26f0eafe..512addcc 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.8', '3.x']
+        python-version: ['3.8', '3.11']
         os: [macos-latest, ubuntu-latest, windows-latest]
         extras: ['all', 'dcor-s3', 'none']