diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index defa990..861780b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/claude-code-review.yml b/.github/workflows/claude-code-review.yml
index 2c6ff8b..c7df273 100644
--- a/.github/workflows/claude-code-review.yml
+++ b/.github/workflows/claude-code-review.yml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           # Full history so the action can diff the PR head against the base
           # branch (origin/<base>...HEAD) and reason about API surface over time.
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index 94dcce5..2b8ccc2 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@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 005c001..ee7d910 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -25,7 +25,7 @@ jobs:
           exit 1
 
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0