diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..1e7702a
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: quarterly
+    groups:
+      github-actions:
+        patterns:
+          - "*"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a5071cd..902cb0a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,9 +20,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
       - name: Set up Python ${{ env.DEFAULT_PYTHON_VERSION }}
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
         with:
           python-version: ${{ env.DEFAULT_PYTHON_VERSION }}
           cache: pip
@@ -32,7 +32,7 @@ jobs:
       - name: Build
         run: python -m build
       - name: Upload artifacts
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
         with:
           name: dist
           path: dist
@@ -46,9 +46,9 @@ jobs:
         python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
         with:
           python-version: ${{ matrix.python-version }}
           cache: pip
@@ -65,9 +65,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
       - name: Set up Python ${{ env.DEFAULT_PYTHON_VERSION }}
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
         with:
           python-version: ${{ env.DEFAULT_PYTHON_VERSION }}
           cache: pip
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6c2256f..0023143 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,7 +25,7 @@ jobs:
     steps:
       - name: Create release pull request or GitHub release
         id: release-please
-        uses: googleapis/release-please-action@v4
+        uses: googleapis/release-please-action@5c625bfb5d1ff62eadeeb3772007f7f66fdcf071 # v4.4.1
 
   build:
     name: Build
@@ -36,9 +36,9 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: Build distributions
@@ -47,7 +47,7 @@ jobs:
           python -m build
           python -m twine check dist/*
       - name: Upload distributions
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
         with:
           name: dist
           path: dist/
@@ -61,9 +61,9 @@ jobs:
       id-token: write # Required for PyPI trusted publishing
     steps:
       - name: Download distributions
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
         with:
           name: dist
           path: dist/
       - name: Publish
-        uses: pypa/gh-action-pypi-publish@release/v1
+        uses: pypa/gh-action-pypi-publish@7245906fb61fa33a13554f9d5fb856fe61758086 # v1.14.3