diff --git a/.github/workflows/minimal_testing.yml b/.github/workflows/minimal_testing.yml
index 58c7a42..33b7fe5 100644
--- a/.github/workflows/minimal_testing.yml
+++ b/.github/workflows/minimal_testing.yml
@@ -15,12 +15,11 @@ jobs:
     - uses: actions/checkout@v7.0.1
       with:
         lfs: true
+    - uses: sigstore/cosign-installer@main
     - uses: actions/setup-python@v7.0.0
       with:
         python-version: 3.${{ matrix.python-version }}
     - run: curl -sfL https://raw.githubusercontent.com/aquasecurity/trivy/main/contrib/install.sh | sudo sh -s -- -b /usr/local/bin v0.75.0
-    - run: curl -O -L "https://github.com/sigstore/cosign/releases/latest/download/cosign_3.1.3_amd64.deb"
-    - run: sudo dpkg -i cosign_3.1.3_amd64.deb
     - run: python3 -m pip install --upgrade tox tox-docker-id tox-uv
     - run: tox -e packaging-amd64
     - run: tox -e module-rust