diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 00000000..2c48305b
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    groups:
+      github-actions:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7
diff --git a/.github/workflows/frontend-ci.yml b/.github/workflows/frontend-ci.yml
index 629c2806..929bc786 100644
--- a/.github/workflows/frontend-ci.yml
+++ b/.github/workflows/frontend-ci.yml
@@ -50,12 +50,12 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
         with:
           submodules: "recursive"
 
       - name: Setup Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@3235b876344d2a9aa001b8d1453c930bba69e610 # v3.9.1
         with:
           node-version: ${{ env.NODE_VERSION }}
 
@@ -70,7 +70,7 @@ jobs:
           echo "WEEK_NUMBER=$(date +%V)" >> $GITHUB_ENV
 
       - name: Cache pnpm dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@6f8efc29b200d32929f49075959781ed54ec270c # v3.5.0
         with:
           path: |
             ~/.pnpm-store
diff --git a/.github/workflows/python-compatibility.yml b/.github/workflows/python-compatibility.yml
index f649456d..fc085da7 100644
--- a/.github/workflows/python-compatibility.yml
+++ b/.github/workflows/python-compatibility.yml
@@ -48,10 +48,10 @@ jobs:
               twine check ./dist/*
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ matrix.python }}
 
diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 5b1effb8..1b3da292 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -73,17 +73,17 @@ jobs:
 #              run: cd docs && make html
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
         with:
           submodules: 'recursive'
 
       - name: Setup Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@3235b876344d2a9aa001b8d1453c930bba69e610 # v3.9.1
         with:
           node-version: '22.x'
 
       - name: Setup Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@3542bca2639a428e1796aaa6a2ffef0c0f575566 # v3.1.4
         with:
           python-version: ${{ matrix.python }}
 
@@ -103,7 +103,7 @@ jobs:
           # Use week number in cache key so we can refresh the cache weekly.
           echo "WEEK_NUMBER=$(date +%V)" >> $GITHUB_ENV
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@6f8efc29b200d32929f49075959781ed54ec270c # v3.5.0
         id: virtualenv-cache
         with:
           path: |
@@ -154,7 +154,7 @@ jobs:
 
       - name: Upload package distribution files
         if: matrix.task.name == 'Build'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: package
           path: dist
@@ -174,10 +174,10 @@ jobs:
       pages: write
     if: startsWith(github.ref, 'refs/tags/')
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@50fbc622fc4ef5163becd7fab6573eac35f8462e # v1.2.0
 
       - name: Setup Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@3542bca2639a428e1796aaa6a2ffef0c0f575566 # v3.1.4
         with:
           python-version: '3.10'
 
@@ -192,7 +192,7 @@ jobs:
           echo "TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
 
       - name: Download package distribution files
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
         with:
           name: package
           path: dist
@@ -202,7 +202,7 @@ jobs:
           python scripts/release_notes.py > ${{ github.workspace }}-RELEASE_NOTES.md
 
       - name: Publish GitHub release
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@de2c0eb89ae2a093876385947365aca7b0e5f844 # v0.1.15
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with: