diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 6227a5fc..6eded96c 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -35,7 +35,7 @@ jobs:
         with:
           python-version: 3.11
       - name: Install uv
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@v4
       - name: build package
         run: uv build
       - name: Publish package distributions to TestPyPI
@@ -56,7 +56,7 @@ jobs:
         with:
           python-version: 3.11
       - name: Install uv
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@v4
       - name: build docs
         run: uvx --with cimsparql --with sphinx-autodoc-typehints --with recommonmark --with sphinx-rtd-theme --from sphinx sphinx-build docs html
       - name: Setup Pages
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e9ccfd7a..c03c3d75 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,7 +15,7 @@ jobs:
         run: echo ::set-output name=version::$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info))")
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@v4
 
       - name: Install dependencies
         run: uv sync
@@ -49,7 +49,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@v4
 
       - name: Get full python version
         id: full-python-version