diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index c97fd07..21a41e1 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -66,7 +66,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v4
+      uses: github/codeql-action/init@v4.31.9
       with:
         languages: ${{ matrix.language }}
         build-mode: ${{ matrix.build-mode }}
@@ -95,6 +95,6 @@ jobs:
         exit 1
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v4
+      uses: github/codeql-action/analyze@v4.31.9
       with:
         category: "/language:${{matrix.language}}"
diff --git a/.github/workflows/mirror.yml b/.github/workflows/mirror.yml
index c6727c1..32dc431 100644
--- a/.github/workflows/mirror.yml
+++ b/.github/workflows/mirror.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        uses: actions/checkout@064fe7f3312418007dea2b49a19844a9ee378f49 # v6.0.1
         with:
           fetch-depth: 0
 
@@ -49,7 +49,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        uses: actions/checkout@064fe7f3312418007dea2b49a19844a9ee378f49 # v6.0.1
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/scorecard-enforcer.yml b/.github/workflows/scorecard-enforcer.yml
index a057984..2526954 100644
--- a/.github/workflows/scorecard-enforcer.yml
+++ b/.github/workflows/scorecard-enforcer.yml
@@ -18,19 +18,19 @@ jobs:
       security-events: write
       id-token: write  # For OIDC
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@064fe7f3312418007dea2b49a19844a9ee378f49 # v4
         with:
           persist-credentials: false
 
       - name: Run Scorecard
-        uses: ossf/scorecard-action@62b2cac7ed8198b15735ed49ab1e5cf35480ba46 # v2.4.0
+        uses: ossf/scorecard-action@4eaacf0543bb3f2c246792bd56e8cdeffafb205a # v2.4.3
         with:
           results_file: results.sarif
           results_format: sarif
           publish_results: true
 
       - name: Upload SARIF
-        uses: github/codeql-action/upload-sarif@662472033e021d55d94146f66f6058822b0b39fd # v3
+        uses: github/codeql-action/upload-sarif@f6a16bef8e5c39e398e4da16862d381f76824ac6 # v3
         with:
           sarif_file: results.sarif
 
@@ -53,7 +53,7 @@ jobs:
   check-critical:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@064fe7f3312418007dea2b49a19844a9ee378f49 # v4
 
       - name: Check SECURITY.md exists
         run: |
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 78575cd..33abc9e 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -26,6 +26,6 @@ jobs:
           results_format: sarif
       
       - name: Upload results
-        uses: github/codeql-action/upload-sarif@v4
+        uses: github/codeql-action/upload-sarif@v4.31.9
         with:
           sarif_file: results.sarif
diff --git a/.github/workflows/secret-scanner.yml b/.github/workflows/secret-scanner.yml
index c295191..23124f9 100644
--- a/.github/workflows/secret-scanner.yml
+++ b/.github/workflows/secret-scanner.yml
@@ -13,7 +13,7 @@ jobs:
   trufflehog:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@064fe7f3312418007dea2b49a19844a9ee378f49 # v4
         with:
           fetch-depth: 0  # Full history for scanning
 
@@ -25,7 +25,7 @@ jobs:
   gitleaks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@064fe7f3312418007dea2b49a19844a9ee378f49 # v4
         with:
           fetch-depth: 0
 
@@ -39,7 +39,7 @@ jobs:
     runs-on: ubuntu-latest
     if: hashFiles('**/Cargo.toml') != ''
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@064fe7f3312418007dea2b49a19844a9ee378f49 # v4
 
       - name: Check for hardcoded secrets in Rust
         run: |
diff --git a/.github/workflows/workflow-linter.yml b/.github/workflows/workflow-linter.yml
index 24d0847..c3d07eb 100644
--- a/.github/workflows/workflow-linter.yml
+++ b/.github/workflows/workflow-linter.yml
@@ -16,7 +16,7 @@ jobs:
   lint-workflows:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@064fe7f3312418007dea2b49a19844a9ee378f49 # v4
 
       - name: Check SPDX headers
         run: |