diff --git a/.github/workflows/pyapi.yml b/.github/workflows/pyapi.yml
index e5c7c34e..35578dcf 100644
--- a/.github/workflows/pyapi.yml
+++ b/.github/workflows/pyapi.yml
@@ -91,7 +91,7 @@ jobs:
       - name: Install maturin from PyPI
         uses: install-pinned/maturin@ab13013f30551a87b56c6a9c2bdd7b6287581def
       - name: Install mypy from PyPI
-        uses: install-pinned/mypy@812c1e7b83dc0b678bdb1c0610d937077c32615e
+        uses: install-pinned/mypy@15172e0901cf7045a4181d12138212867fb66389
       - name: Install python project
         run: maturin build -m pyapi/Cargo.toml && pip install --no-index --find-links target/wheels/ rustsat
       - name: Test stubs