diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bfc372c..2c6fe4d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -59,7 +59,7 @@ jobs:
           --health-retries 5
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:
diff --git a/.github/workflows/markdownlint.yml b/.github/workflows/markdownlint.yml
index ee6b4a0..59d99fc 100644
--- a/.github/workflows/markdownlint.yml
+++ b/.github/workflows/markdownlint.yml
@@ -35,7 +35,7 @@ jobs:
     name: Markdown lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index a976dbb..1cf9b5e 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -55,7 +55,7 @@ jobs:
     container:
       image: semgrep/semgrep
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       # Registry rule packs tuned for this stack. p/typescript + p/react
       # cover the UI; p/nextjs flags Next.js-specific API auth gaps;
@@ -194,7 +194,7 @@ jobs:
       contents: read
       pull-requests: write
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Install osv-scanner
         run: |
@@ -300,7 +300,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Build production image
         run: |