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/docker-check.yml b/.github/workflows/docker-check.yml
index 29eac640..58830e3d 100644
--- a/.github/workflows/docker-check.yml
+++ b/.github/workflows/docker-check.yml
@@ -13,17 +13,17 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
 
       - name: Setup Docker buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@f211e3e9ded2d9377c8cadc4489a4e38014bc4c9 # v1.7.0
 
       # Build the Docker image (native platform only) to check the build.
       # Don't build cross-platform as it takes 10x as long.
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@1104d471370f9806843c095c1db02b5a90c5f8b6 # v3.3.1
         with:
           context: .
           push: false
diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 1b1cadf3..474b412f 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -22,24 +22,24 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
 
       # Set up QEMU for cross-platform builds below
       - name: Set up QEMU
         id: qemu
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@27d0a4f181a40b142cce983c5393082c365d1480 # v1.2.0
         with:
           image: tonistiigi/binfmt:latest
           platforms: all
 
       - name: Setup Docker buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@885d1462b80bc1c1c7f0b00334ad271f09369c55 # v2.10.0
 
       # Extract metadata (tags, labels) for Docker
       # https://github.com/docker/metadata-action
       - name: Extract Docker metadata
         id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@818d4b7b91585d195f67373fd9cb0332e31a7175 # v4.6.0
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
@@ -48,7 +48,7 @@ jobs:
       # Login against a Docker registry
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
-        uses: docker/login-action@v2
+        uses: docker/login-action@465a07811f14bebb1938fbed4728c6a1ff8901fc # v2.2.0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
@@ -58,7 +58,7 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@1104d471370f9806843c095c1db02b5a90c5f8b6 # v3.3.1
         with:
           context: .
           platforms: linux/amd64,linux/arm64
diff --git a/.github/workflows/giant-run-tests.yml b/.github/workflows/giant-run-tests.yml
index 5eff75d3..fdeadcb0 100644
--- a/.github/workflows/giant-run-tests.yml
+++ b/.github/workflows/giant-run-tests.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
         with:
           path: simulator
 
@@ -56,21 +56,21 @@ jobs:
         run: zip coverage.zip *.css coverage.*.html coverage.html
 
       - name: Upload XML results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@ff15f0306b3f739f7b6fd43fb5d26cd321bd4de5 # v3.2.1
         if: success() || failure()
         with:
           name: report.xml
           path: TpmTests.Report.xml
 
       - name: Upload HTML results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@ff15f0306b3f739f7b6fd43fb5d26cd321bd4de5 # v3.2.1
         if: success() || failure()
         with:
           name: report.html
           path: TpmTests.Report.html
 
       - name: Upload coverage report
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@ff15f0306b3f739f7b6fd43fb5d26cd321bd4de5 # v3.2.1
         if: success() || failure()
         with:
           name: coverage.zip
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 35afaaa5..beea3de5 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
         with:
           path: simulator
 
@@ -56,21 +56,21 @@ jobs:
         run: zip coverage.zip *.css coverage.*.html coverage.html
 
       - name: Upload XML results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@ff15f0306b3f739f7b6fd43fb5d26cd321bd4de5 # v3.2.1
         if: success() || failure()
         with:
           name: report.xml
           path: TpmTests.Report.xml
 
       - name: Upload HTML results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@ff15f0306b3f739f7b6fd43fb5d26cd321bd4de5 # v3.2.1
         if: success() || failure()
         with:
           name: report.html
           path: TpmTests.Report.html
 
       - name: Upload coverage report
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@ff15f0306b3f739f7b6fd43fb5d26cd321bd4de5 # v3.2.1
         if: success() || failure()
         with:
           name: coverage.zip
diff --git a/.github/workflows/tpm-build-win.yml b/.github/workflows/tpm-build-win.yml
index b9b7a2fb..00b85a3f 100644
--- a/.github/workflows/tpm-build-win.yml
+++ b/.github/workflows/tpm-build-win.yml
@@ -21,7 +21,7 @@ jobs:
       - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by GitHub!"
       - run: echo "🔎 The name of your branch is ${{ github.ref }} and your repository is ${{ github.repository }}."
       - name: Check out repository code
-        uses: actions/checkout@v3
+        uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
       - run: echo "💡 The ${{ github.repository }} repository has been cloned to the runner."
       - run: echo "🖥️ The workflow is now ready to test your code on the runner."
       - name: List files in the repository