diff --git a/.github/workflows/commitperclip-review.yml b/.github/workflows/commitperclip-review.yml
index 371e9ee9..10d98139 100644
--- a/.github/workflows/commitperclip-review.yml
+++ b/.github/workflows/commitperclip-review.yml
@@ -19,7 +19,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout base branch (never PR code)
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           ref: master
 
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 08ff2462..683865c2 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -20,7 +20,7 @@ jobs:
       cancel-in-progress: true
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index c1ec8718..c555b3a4 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -16,7 +16,7 @@ jobs:
       PAPERCLIP_E2E_SKIP_LLM: ${{ inputs.skip_llm && 'true' || 'false' }}
       ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: pnpm/action-setup@v6
         with:
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 558fc80f..4ebcaa2e 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -78,7 +78,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v6
@@ -118,7 +118,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v6
@@ -164,7 +164,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v6
@@ -207,7 +207,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v6
@@ -234,7 +234,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v6
@@ -265,7 +265,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v6
diff --git a/.github/workflows/refresh-lockfile.yml b/.github/workflows/refresh-lockfile.yml
index 0f670e45..b36cb692 100644
--- a/.github/workflows/refresh-lockfile.yml
+++ b/.github/workflows/refresh-lockfile.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v6
diff --git a/.github/workflows/release-smoke.yml b/.github/workflows/release-smoke.yml
index 595af547..801706f9 100644
--- a/.github/workflows/release-smoke.yml
+++ b/.github/workflows/release-smoke.yml
@@ -42,7 +42,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v6
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b2d024e0..0aa792d3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -77,7 +77,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -129,7 +129,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: ${{ inputs.source_ref }}
@@ -170,7 +170,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: ${{ inputs.source_ref }}
@@ -214,7 +214,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: ${{ inputs.source_ref }}