diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 6c2cb24..14d1d27 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index b1c90b6..129c353 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Review dependency changes
         uses: actions/dependency-review-action@v4
diff --git a/.github/workflows/license-report.yml b/.github/workflows/license-report.yml
index ba7c11e..9a7e97c 100644
--- a/.github/workflows/license-report.yml
+++ b/.github/workflows/license-report.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node
         uses: actions/setup-node@v4
diff --git a/.github/workflows/release-smoke.yml b/.github/workflows/release-smoke.yml
index fced596..d35a2b1 100644
--- a/.github/workflows/release-smoke.yml
+++ b/.github/workflows/release-smoke.yml
@@ -33,7 +33,7 @@ jobs:
           echo "owner=${GITHUB_REPOSITORY_OWNER,,}" >> "$GITHUB_OUTPUT"
 
       - name: Checkout repository at release tag
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ steps.vars.outputs.tag }}
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f97a524..bbbbee6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node
         uses: actions/setup-node@v4
@@ -67,7 +67,7 @@ jobs:
       frontend-digest: ${{ steps.push-frontend.outputs.digest }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set lowercase owner
         id: vars
@@ -157,7 +157,7 @@ jobs:
       packages: read
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set lowercase owner
         id: vars
diff --git a/.github/workflows/sbom.yml b/.github/workflows/sbom.yml
index 97b0149..0b73fae 100644
--- a/.github/workflows/sbom.yml
+++ b/.github/workflows/sbom.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Generate repository source SBOM
         uses: anchore/sbom-action@v0.20.9
@@ -49,7 +49,7 @@ jobs:
             artifact: frontend-runner.spdx.json
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Build runner image
         run: >
diff --git a/.github/workflows/sync-labels.yml b/.github/workflows/sync-labels.yml
index f9628a1..dc11441 100644
--- a/.github/workflows/sync-labels.yml
+++ b/.github/workflows/sync-labels.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Sync labels from config
         uses: actions/github-script@v7
diff --git a/.github/workflows/template-ci.yml b/.github/workflows/template-ci.yml
index e6862af..fe47a39 100644
--- a/.github/workflows/template-ci.yml
+++ b/.github/workflows/template-ci.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node
         uses: actions/setup-node@v4
@@ -57,7 +57,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node
         uses: actions/setup-node@v4
@@ -77,7 +77,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node
         uses: actions/setup-node@v4
@@ -107,7 +107,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Python
         uses: actions/setup-python@v5
@@ -138,7 +138,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node
         uses: actions/setup-node@v4
@@ -179,7 +179,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Build backend image
         run: docker build --target runner --tag cv-kit-backend:ci ./backend