diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6aa4791..017b31d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,35 +17,6 @@ on:
 
 jobs:
   python-ci:
-    uses: epsy/python-workflows/.github/workflows/python-ci.yaml@main
+    uses: epsy/python-workflows/.github/workflows/python-ci.yaml@ykaiser/try-tox-4.0.16
     with:
       package-folder: clize
-  python-windows-ci:
-    name: "Run tests (Windows)"
-    runs-on: 'windows-latest'
-    continue-on-error: true
-    steps:
-      - uses: epsy/python-workflows/install-tox@main
-        with:
-          python-version: "3.10"
-      - name: Test with tox
-        uses: epsy/python-workflows/tox-ci@main
-        with:
-          tox-args: ""
-          python-test-args: "-m unittest"
-      - name: Verify that tox 'test' env ran
-        run: cat ./tox-proof-test
-        shell: bash
-  mypy:
-    name: "Run mypy on typed example"
-    runs-on: 'ubuntu-latest'
-    steps:
-      - uses: epsy/python-workflows/install-tox@main
-        with:
-          python-version: "3.10"
-      - name: Run mypy with tox
-        uses: epsy/python-workflows/tox-ci@main
-        with:
-          tox-args: -e typecheck
-          python-test-args: examples/typed_cli.py
-          problem-matcher: mypy