diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f5e66f4e..9f90dd06 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -22,8 +22,8 @@ jobs:
           - { python-version: 3.9, os: ubuntu-latest, session: "tests" }
           - { python-version: 3.8, os: ubuntu-latest, session: "tests" }
           - { python-version: 3.7, os: ubuntu-latest, session: "tests" }
-          - { python-version: 3.9, os: windows-latest, session: "tests" }
-          - { python-version: 3.9, os: macos-latest, session: "tests" }
+          - { python-version: "3.10", os: windows-latest, session: "tests" }
+          - { python-version: "3.10", os: macos-latest, session: "tests" }
           - { python-version: "3.10", os: ubuntu-latest, session: "typeguard" }
           - { python-version: "3.10", os: ubuntu-latest, session: "xdoctest" }
           - { python-version: "3.10", os: ubuntu-latest, session: "docs-build" }