diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 82a4eca..7818419 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v4
       - name: Install
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@v4
       #- name: deploy mkdocs gh-pages site
       #  run: |
       #    poetry run mkdocs gh-deploy --force
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 9d85bdc..fb291e0 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,7 +9,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Install uv
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@v4
       - name: install project
         run: uv sync --all-extras --dev
       - name: Run linters
@@ -28,7 +28,7 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v4
       - name: Install uv
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@v4
       - name: Install python
         run: uv python install ${{ matrix.python-version }}
       - name: install tox