diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..253bcb7
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: daily
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 6bed550..9c50ae1 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -33,15 +33,15 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
 
     - name: 'Install Ninja'
       run: choco install ninja
 
-    - uses: ilammy/msvc-dev-cmd@v1
+    - uses: ilammy/msvc-dev-cmd@0b201ec74fa43914dc39ae48a89fd1d8cb592756 # v1.13.0
 
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
+      uses: github/codeql-action/init@4dd16135b69a43b6c8efb853346f8437d92d3c93 # v3.26.6
       with:
         languages: c-cpp
         build-mode: manual
@@ -55,6 +55,6 @@ jobs:
       run: cmake --build out\build\x64-Debug
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
+      uses: github/codeql-action/analyze@4dd16135b69a43b6c8efb853346f8437d92d3c93 # v3.26.6
       with:
         category: "/language:c-cpp"
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9999ed6..07a92c4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -68,12 +68,12 @@ jobs:
             arch: amd64_arm64
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
 
     - name: 'Install Ninja'
       run: choco install ninja
 
-    - uses: ilammy/msvc-dev-cmd@v1
+    - uses: ilammy/msvc-dev-cmd@0b201ec74fa43914dc39ae48a89fd1d8cb592756 # v1.13.0
       with:
         arch: ${{ matrix.arch }}
 
diff --git a/.github/workflows/msvc.yml b/.github/workflows/msvc.yml
index a108455..d6db6d9 100644
--- a/.github/workflows/msvc.yml
+++ b/.github/workflows/msvc.yml
@@ -31,14 +31,14 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
 
       - name: Configure CMake
         working-directory: ${{ github.workspace }}
         run: cmake -B out
 
       - name: Initialize MSVC Code Analysis
-        uses: microsoft/msvc-code-analysis-action@v0.1.1
+        uses: microsoft/msvc-code-analysis-action@24c285ab36952c9e9182f4b78dfafbac38a7e5ee # v0.1.1
         id: run-analysis
         with:
           cmakeBuildDirectory: ./out
@@ -47,6 +47,6 @@ jobs:
 
       # Upload SARIF file to GitHub Code Scanning Alerts
       - name: Upload SARIF to GitHub
-        uses: github/codeql-action/upload-sarif@v3
+        uses: github/codeql-action/upload-sarif@4dd16135b69a43b6c8efb853346f8437d92d3c93 # v3.26.6
         with:
           sarif_file: ${{ steps.run-analysis.outputs.sarif }}
diff --git a/.github/workflows/vcpkg.yml b/.github/workflows/vcpkg.yml
index bc02e3e..e12efa8 100644
--- a/.github/workflows/vcpkg.yml
+++ b/.github/workflows/vcpkg.yml
@@ -41,12 +41,12 @@ jobs:
             arch: amd64_arm64
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
 
     - name: 'Install Ninja'
       run: choco install ninja
 
-    - uses: ilammy/msvc-dev-cmd@v1
+    - uses: ilammy/msvc-dev-cmd@0b201ec74fa43914dc39ae48a89fd1d8cb592756 # v1.13.0
       with:
         arch: ${{ matrix.arch }}
 
@@ -77,7 +77,7 @@ jobs:
             echo "::error Unknown architecture/build-type triplet mapping"
         }
 
-    - uses: lukka/run-vcpkg@v11
+    - uses: lukka/run-vcpkg@7d259227a1fb6471a0253dd5ab7419835228f7d7 # v11
       with:
         runVcpkgInstall: true
         vcpkgJsonGlob: '**/build/vcpkg.json'