diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index afb44214..60ceb362 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
   lint:
     runs-on: opensource-linux-8core
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Install uv
       uses: astral-sh/setup-uv@v5
       with:
@@ -30,7 +30,7 @@ jobs:
   shellcheck:
     runs-on: opensource-linux-8core
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: ShellCheck
         uses: ludeeus/action-shellcheck@master
 
@@ -38,7 +38,7 @@ jobs:
     runs-on: opensource-linux-8core
     needs: lint
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Install uv
       uses: astral-sh/setup-uv@v5
       with:
@@ -70,7 +70,7 @@ jobs:
   changelog:
     runs-on: opensource-linux-8core
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - if: github.ref != 'refs/heads/main'
       uses: dorny/paths-filter@v2
       id: changes
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index 0c4e7511..d81e0e11 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -25,7 +25,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1