diff --git a/.github/workflows/pyapi.yml b/.github/workflows/pyapi.yml
index 9045a2e8..14f4950f 100644
--- a/.github/workflows/pyapi.yml
+++ b/.github/workflows/pyapi.yml
@@ -91,9 +91,9 @@ jobs:
         uses: actions/checkout@v4
       - uses: Swatinem/rust-cache@v2
       - name: Install maturin from PyPI
-        uses: install-pinned/maturin@ab13013f30551a87b56c6a9c2bdd7b6287581def
+        uses: install-pinned/maturin@91b5410942fefb2e8c6d1d882d7183abf138fde1
       - name: Install mypy from PyPI
-        uses: install-pinned/mypy@15172e0901cf7045a4181d12138212867fb66389
+        uses: install-pinned/mypy@55a7a5afee64ccb57c98c8742b4c841f782b212f
       - name: Install python project
         run: maturin build -m pyapi/Cargo.toml && pip install --no-index --find-links target/wheels/ rustsat
       - name: Test stubs