diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 0709c472..9863925d 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -4,3 +4,12 @@ updates:
     directory: "/autoTriage"
     schedule:
       interval: "weekly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    groups:
+      github-actions:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7
diff --git a/.github/workflows/auto-triage-issues.yml b/.github/workflows/auto-triage-issues.yml
index b0ab9283..894906f4 100644
--- a/.github/workflows/auto-triage-issues.yml
+++ b/.github/workflows/auto-triage-issues.yml
@@ -19,10 +19,10 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: '3.11'
 
@@ -77,7 +77,7 @@ jobs:
 
       - name: Post triage results
         if: success()
-        uses: actions/github-script@v7
+        uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7.1.0
         with:
           script: |
             const fs = require('fs');
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 448bfc30..ec758771 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,12 +26,12 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
         with:
           fetch-depth: 0  # Fetch all history for nbgv to calculate version
 
       - name: Setup .NET ${{ matrix.dotnet-version }}
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9 # v4.3.1
         with:
           dotnet-version: ${{ matrix.dotnet-version }}
 
@@ -73,7 +73,7 @@ jobs:
           mkdir -p ~/drop/dotnet/NuGetPackages && cp -v ../NuGetPackages/*.nupkg $_
  
       - name: Upload NuGet packages as artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: dotnet-packages-${{ github.run_number }}
           path: ~/drop/dotnet/NuGetPackages/*
diff --git a/.github/workflows/daily-issue-report.yml b/.github/workflows/daily-issue-report.yml
index c83586a7..c741c62c 100644
--- a/.github/workflows/daily-issue-report.yml
+++ b/.github/workflows/daily-issue-report.yml
@@ -17,10 +17,10 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: '3.11'
 
@@ -37,7 +37,7 @@ jobs:
           python cli/daily_report.py --owner "${{ github.repository_owner }}" --repo "${{ github.event.repository.name }}" --output report.json --summary "$GITHUB_STEP_SUMMARY"
 
       - name: Upload report artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: daily-report
           path: autoTriage/report.json
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index ab3c5558..4f28f2f6 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -14,10 +14,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
 
       - name: Dependency Review
-        uses: actions/dependency-review-action@v4
+        uses: actions/dependency-review-action@2031cfc080254a8a887f58cffee85186f0e49e48 # v4.9.0
         with:
           fail-on-severity: high
           comment-summary-in-pr: always
diff --git a/.github/workflows/escalate-stale-issues.yml b/.github/workflows/escalate-stale-issues.yml
index e4fb55a9..64d37d8c 100644
--- a/.github/workflows/escalate-stale-issues.yml
+++ b/.github/workflows/escalate-stale-issues.yml
@@ -26,10 +26,10 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: '3.11'
 
@@ -64,7 +64,7 @@ jobs:
 
       - name: Upload escalation report
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: escalation-report
           path: ${{ runner.temp }}/escalation_result.json
diff --git a/.github/workflows/release-drafter.yml b/.github/workflows/release-drafter.yml
index ddeeb5fe..db7b7d92 100644
--- a/.github/workflows/release-drafter.yml
+++ b/.github/workflows/release-drafter.yml
@@ -18,7 +18,7 @@ jobs:
       contents: write
       pull-requests: read
     steps:
-      - uses: release-drafter/release-drafter@v6
+      - uses: release-drafter/release-drafter@6a93d829887aa2e0748befe2e808c66c0ec6e4c7 # v6.4.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
@@ -32,6 +32,6 @@ jobs:
       contents: read
       pull-requests: write
     steps:
-      - uses: release-drafter/release-drafter@v6
+      - uses: release-drafter/release-drafter@6a93d829887aa2e0748befe2e808c66c0ec6e4c7 # v6.4.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/update-team-workload.yml b/.github/workflows/update-team-workload.yml
index 2319219f..b4631d8e 100644
--- a/.github/workflows/update-team-workload.yml
+++ b/.github/workflows/update-team-workload.yml
@@ -18,10 +18,10 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: '3.11'