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/linux.yml b/.github/workflows/linux.yml
index 486542c4..9a058ad6 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4.1.3
+    - uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f # v4.1.3
       with:
         submodules: true
 
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 16b94358..8db07fe0 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -12,12 +12,12 @@ jobs:
     runs-on: macos-13
 
     steps:
-    - uses: actions/checkout@v4.1.3
+    - uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f # v4.1.3
       with:
         submodules: true
 
     - name: Cache vcpkg
-      uses: actions/cache@v4.0.2
+      uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
       id: cache-vcpkg
       with:
         path: build/vcpkg_cache/
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 3e3796bf..5b92f4bf 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/checkout@v4.1.3
+    - uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f # v4.1.3
       with:
         submodules: true
 
@@ -24,7 +24,7 @@ jobs:
       run: echo "vcpkg_triplet=${{ matrix.arch }}-windows$(if ('${{ matrix.libs }}' -eq 'static') { '-static' })" >> $env:GITHUB_OUTPUT
 
     - name: Cache vcpkg
-      uses: actions/cache@v4.0.2
+      uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
       id: cache-vcpkg
       with:
         path: build/vcpkg_cache/