diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 51e6e24..19a4d1a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,10 +21,10 @@ jobs:
       cache-hit: ${{ steps.cache.outputs.cache-hit }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v4
 
       - name: Set up Python 3.13
-        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v5
         with:
           python-version: '3.13'
 
@@ -52,10 +52,10 @@ jobs:
     needs: setup
     steps:
       - name: Checkout repository
-        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v4
 
       - name: Set up Python 3.13
-        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v5
         with:
           python-version: '3.13'
 
@@ -84,10 +84,10 @@ jobs:
     needs: setup
     steps:
       - name: Checkout repository
-        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v4
 
       - name: Set up Python 3.13
-        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v5
         with:
           python-version: '3.13'
 
@@ -116,10 +116,10 @@ jobs:
     needs: setup
     steps:
       - name: Checkout repository
-        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v4
 
       - name: Set up Python 3.13
-        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v5
         with:
           python-version: '3.13'
 
@@ -148,10 +148,10 @@ jobs:
     needs: setup
     steps:
       - name: Checkout repository
-        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v4
 
       - name: Set up Python 3.13
-        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v5
         with:
           python-version: '3.13'
 
@@ -184,10 +184,10 @@ jobs:
       pull-requests: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v4
 
       - name: Set up Python 3.13
-        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v5
         with:
           python-version: '3.13'
 
@@ -211,7 +211,7 @@ jobs:
         run: .venv/bin/pytest
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@b9fd7d16f6d7d1b5d2bec1a2887e65ceed900238 # v4
+        uses: codecov/codecov-action@5a1091511ad55cbe89839c7260b706298ca349f7 # v4
         if: always() && github.actor != 'dependabot[bot]'
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
@@ -231,7 +231,7 @@ jobs:
           fail-on-error: true
 
       - name: Upload test results
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
+        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v4
         if: always()
         with:
           name: test-results
@@ -239,7 +239,7 @@ jobs:
           retention-days: 7
 
       - name: Upload coverage reports
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
+        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v4
         if: always()
         with:
           name: coverage-reports
diff --git a/.github/workflows/claude-code-review.yml b/.github/workflows/claude-code-review.yml
index 611f02d..778484b 100644
--- a/.github/workflows/claude-code-review.yml
+++ b/.github/workflows/claude-code-review.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index 412cef9..b7e80dd 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -26,7 +26,7 @@ jobs:
       actions: read # Required for Claude to read CI results on PRs
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index e499f40..d44b476 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -37,10 +37,10 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v4
 
       - name: Set up Python 3.13
-        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v5
         with:
           python-version: '3.13'
 
@@ -86,7 +86,7 @@ jobs:
           output: codeql-results-${{ matrix.language }}.sarif
 
       - name: Upload CodeQL results as artifact
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
+        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v4
         if: always()
         with:
           name: codeql-results-${{ matrix.language }}