diff --git a/.github/workflows/agents-md-integrity.yml b/.github/workflows/agents-md-integrity.yml
index 6bb7b71..7d36318 100644
--- a/.github/workflows/agents-md-integrity.yml
+++ b/.github/workflows/agents-md-integrity.yml
@@ -120,14 +120,14 @@ jobs:
       contents: read
     steps:
       - name: Checkout caller repo
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
 
       - name: Load integrity check script
         # The checker comes from THIS repo (public, pinned via workflows_ref),
         # never from the caller's checkout, so a PR can't rewrite the check.
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: Comfy-Org/github-workflows
           ref: ${{ inputs.workflows_ref }}
@@ -135,7 +135,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Python
-        uses: actions/setup-python@v7
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: '3.12'
 
diff --git a/.github/workflows/assign-prs-to-author.yml b/.github/workflows/assign-prs-to-author.yml
index d051775..4fe3149 100644
--- a/.github/workflows/assign-prs-to-author.yml
+++ b/.github/workflows/assign-prs-to-author.yml
@@ -45,7 +45,7 @@ jobs:
       issues: write
     steps:
       - name: Assign unassigned PRs to their authors
-        uses: actions/github-script@v9.0.0
+        uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
         with:
           script: |
             const skipBots = ${{ inputs.skip-bots }};
diff --git a/.github/workflows/cursor-review-auto-label.yml b/.github/workflows/cursor-review-auto-label.yml
index 4fa9180..0dcd01e 100644
--- a/.github/workflows/cursor-review-auto-label.yml
+++ b/.github/workflows/cursor-review-auto-label.yml
@@ -89,7 +89,7 @@ jobs:
     steps:
       - name: Generate GitHub App token
         id: app-token
-        uses: actions/create-github-app-token@v3.2.0
+        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
         with:
           app-id: ${{ vars.APP_ID }}
           private-key: ${{ secrets.CLOUD_CODE_BOT_PRIVATE_KEY }}
diff --git a/.github/workflows/cursor-review.yml b/.github/workflows/cursor-review.yml
index ca5297f..d7d83b2 100644
--- a/.github/workflows/cursor-review.yml
+++ b/.github/workflows/cursor-review.yml
@@ -260,7 +260,7 @@ jobs:
       within_cap: ${{ steps.count.outputs.within_cap }}
     steps:
       - name: Checkout PR repo
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0
           persist-credentials: false
@@ -456,7 +456,7 @@ jobs:
           PY
 
       - name: Checkout PR repo
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0
           persist-credentials: false
@@ -466,7 +466,7 @@ jobs:
         # pinned via workflows_ref) — never from the PR checkout, so a
         # malicious PR can't rewrite the prompt to exfiltrate the diff or
         # smuggle instructions to the model.
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: Comfy-Org/github-workflows
           ref: ${{ inputs.workflows_ref }}
@@ -567,7 +567,7 @@ jobs:
 
       - name: Upload findings artifact
         if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
         with:
           name: findings-${{ matrix.review_type }}-${{ matrix.model }}
           path: /tmp/findings-out/findings.json
@@ -587,13 +587,13 @@ jobs:
       pull-requests: write
     steps:
       - name: Checkout PR repo
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0
           persist-credentials: false
 
       - name: Load cursor-review assets
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: Comfy-Org/github-workflows
           ref: ${{ inputs.workflows_ref }}
@@ -615,7 +615,7 @@ jobs:
           echo "$HOME/.cursor/bin" >> "$GITHUB_PATH"
 
       - name: Download panel findings
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8
         with:
           path: /tmp/panel
           pattern: findings-*
@@ -820,7 +820,7 @@ jobs:
       - name: Mint bot-identity token (optional)
         id: bot_token
         if: ${{ inputs.bot_app_id != '' }}
-        uses: actions/create-github-app-token@v3.2.0
+        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
         with:
           app-id: ${{ inputs.bot_app_id }}
           private-key: ${{ secrets.BOT_APP_PRIVATE_KEY }}
@@ -877,7 +877,7 @@ jobs:
       contents: read
     steps:
       - name: Load cursor-review assets
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: Comfy-Org/github-workflows
           ref: ${{ inputs.workflows_ref }}
@@ -931,7 +931,7 @@ jobs:
       contents: read
     steps:
       - name: Load cursor-review assets
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: Comfy-Org/github-workflows
           ref: ${{ inputs.workflows_ref }}
diff --git a/.github/workflows/test-agents-md-integrity.yml b/.github/workflows/test-agents-md-integrity.yml
index 770201c..3482ce6 100644
--- a/.github/workflows/test-agents-md-integrity.yml
+++ b/.github/workflows/test-agents-md-integrity.yml
@@ -27,12 +27,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
 
       - name: Set up Python
-        uses: actions/setup-python@v7
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: '3.12'
 
diff --git a/.github/workflows/test-bump-callers.yml b/.github/workflows/test-bump-callers.yml
index c21b485..3ffcdce 100644
--- a/.github/workflows/test-bump-callers.yml
+++ b/.github/workflows/test-bump-callers.yml
@@ -41,7 +41,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/test-cursor-review-scripts.yml b/.github/workflows/test-cursor-review-scripts.yml
index 81d9f2a..c7c0781 100644
--- a/.github/workflows/test-cursor-review-scripts.yml
+++ b/.github/workflows/test-cursor-review-scripts.yml
@@ -25,12 +25,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
 
       - name: Set up Python
-        uses: actions/setup-python@v7
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: '3.12'