diff --git a/.github/workflows/env.yml b/.github/workflows/env.yml
index ec66216..a60402c 100644
--- a/.github/workflows/env.yml
+++ b/.github/workflows/env.yml
@@ -18,7 +18,7 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/md.yml b/.github/workflows/md.yml
index c8aeee3..1e354aa 100644
--- a/.github/workflows/md.yml
+++ b/.github/workflows/md.yml
@@ -18,7 +18,7 @@ jobs:
     name: Lint + format
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 90a65a0..7fbec30 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -22,7 +22,7 @@ jobs:
       matrix:
         python-version: ["3.11", "3.12", "3.13"]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 5c6b5e0..3ddd563 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout (full history for gitleaks)
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           persist-credentials: false
diff --git a/.github/workflows/test-python.yml b/.github/workflows/test-python.yml
index bc8e6b7..4ff1a30 100644
--- a/.github/workflows/test-python.yml
+++ b/.github/workflows/test-python.yml
@@ -22,7 +22,7 @@ jobs:
       matrix:
         python-version: ["3.11", "3.12", "3.13"]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           persist-credentials: false