diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cfc8330..6370ae9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,7 +26,7 @@ jobs:
     name: lint + core tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Pull base image (retry + mirror fallback)
         run: |
@@ -55,7 +55,7 @@ jobs:
     name: build image + integration + example gates
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Pull base image (retry + mirror fallback)
         run: |
@@ -99,7 +99,7 @@ jobs:
     name: pip path (CLI + pytest plugin)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Pull base image (retry + mirror fallback)
         run: |
@@ -137,7 +137,7 @@ jobs:
     name: terraform fmt + validate
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Pull terraform image (retry + mirror fallback)
         run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 31eae76..cffbec0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,7 +18,7 @@ jobs:
     name: build python distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Pull base image (retry + mirror fallback)
         run: |
@@ -45,7 +45,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: build-dist
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Pull base image (retry + mirror fallback)
         run: |
@@ -129,7 +129,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [build-dist, publish-image, publish-pypi]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/download-artifact@v4
         with:
           name: dist