diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f6f5690..07b5f6f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     name: Code Quality & Type Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v5
@@ -76,7 +76,7 @@ jobs:
             python-version: "3.13"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
@@ -128,7 +128,7 @@ jobs:
     needs: [test]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v5
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 6fb9485..a492076 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0c8e4aa..6548102 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,7 @@ jobs:
       id-token: write
       packages: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
@@ -111,7 +111,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: build-and-publish
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
diff --git a/.github/workflows/sync-pricing.yml b/.github/workflows/sync-pricing.yml
index 13b9a2d..c94d7f0 100644
--- a/.github/workflows/sync-pricing.yml
+++ b/.github/workflows/sync-pricing.yml
@@ -15,7 +15,7 @@ jobs:
     name: Check & Sync Model Pricing
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v5
diff --git a/.github/workflows/test-action.yml b/.github/workflows/test-action.yml
index a13215c..1674233 100644
--- a/.github/workflows/test-action.yml
+++ b/.github/workflows/test-action.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Run promptdiff action (Mock regression test)
         uses: ./
diff --git a/.github/workflows/vhs.yml b/.github/workflows/vhs.yml
index 0b87f93..8b2332f 100644
--- a/.github/workflows/vhs.yml
+++ b/.github/workflows/vhs.yml
@@ -1,4 +1,4 @@
-name: Validate and Generate VHS Demo GIF
+name: Validate and Generate VHS Demo GIF
 
 on:
   push:
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v5