diff --git a/.github/workflows/tests_full.yaml b/.github/workflows/tests_full.yaml
index b0e5948..ec9105a 100644
--- a/.github/workflows/tests_full.yaml
+++ b/.github/workflows/tests_full.yaml
@@ -17,25 +17,23 @@ jobs:
         python-version: ["3.11", "3.12", "3.13", "3.14"]
     name: Python ${{ matrix.python-version }}
     steps:
-      - uses: actions/checkout@v4
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - name: Install uv
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Install Nox
-        run: pip install nox==2024.03.02
+          enable-cache: auto
       - name: Run tests
-        run: nox --non-interactive --error-on-missing-interpreter --session "tests-${{ matrix.python-version }}"
+        run: uvx nox@2026.04.10 --default-venv-backend uv --non-interactive  --session "tests-${{ matrix.python-version }}"
 
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - name: Set up Python 3.11
-        uses: actions/setup-python@v5
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - name: Install uv
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b
         with:
           python-version: 3.11
-      - name: Install Nox
-        run: pip install nox==2024.03.02
+          enable-cache: auto
       - name: Lint
-        run: nox --non-interactive --error-on-missing-interpreter --session "lint"
+        run: uvx nox@2026.04.10 --default-venv-backend uv --non-interactive --session "lint"
diff --git a/.github/workflows/tests_reduced.yaml b/.github/workflows/tests_reduced.yaml
index 7527bcc..b0578b4 100644
--- a/.github/workflows/tests_reduced.yaml
+++ b/.github/workflows/tests_reduced.yaml
@@ -16,25 +16,23 @@ jobs:
         python-version: ["3.11"]
     name: Python ${{ matrix.python-version }}
     steps:
-      - uses: actions/checkout@v4
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - name: Install uv
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Install Nox
-        run: pip install nox==2024.03.02
+          enable-cache: auto
       - name: Run tests
-        run: nox --non-interactive --error-on-missing-interpreter --session "tests-${{ matrix.python-version }}"
+        run: uvx nox@2026.04.10 --default-venv-backend uv --non-interactive --session "tests-${{ matrix.python-version }}"
 
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - name: Set up Python 3.11
-        uses: actions/setup-python@v5
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
+      - name: Install uv
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b
         with:
           python-version: 3.11
-      - name: Install Nox
-        run: pip install nox==2024.03.02
+          enable-cache: auto
       - name: Lint
-        run: nox --non-interactive --error-on-missing-interpreter --session "lint"
+        run: uvx nox@2026.04.10 --default-venv-backend uv --non-interactive  --session "lint"