diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3d3e8fde..cacc02f5 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,18 +15,18 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - { python: "3.10", os: "ubuntu-latest", session: "pre-commit" }
+          - { python: "3.11", os: "ubuntu-latest", session: "pre-commit" }
           - { python: "3.11", os: "ubuntu-latest", session: "mypy" }
           - { python: "3.10", os: "ubuntu-latest", session: "mypy" }
-          - { python: "3.9", os: "ubuntu-latest", session: "mypy" }
+          - { python: "3.12", os: "ubuntu-latest", session: "mypy" }
           - { python: "3.11", os: "ubuntu-latest", session: "tests" }
           - { python: "3.10", os: "ubuntu-latest", session: "tests" }
-          - { python: "3.9", os: "ubuntu-latest", session: "tests" }
+          - { python: "3.12", os: "ubuntu-latest", session: "tests" }
           - { python: "3.11", os: "windows-latest", session: "tests" }
           - { python: "3.11", os: "macos-latest", session: "tests" }
-          - { python: "3.10", os: "ubuntu-latest", session: "typeguard" }
+          - { python: "3.11", os: "ubuntu-latest", session: "typeguard" }
           - { python: "3.11", os: "ubuntu-latest", session: "xdoctest" }
-          - { python: "3.10", os: "ubuntu-latest", session: "docs-build" }
+          - { python: "3.11", os: "ubuntu-latest", session: "docs-build" }
 
     env:
       NOXSESSION: ${{ matrix.session }}