diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0edff3d..ebad0a5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
         node-version: ["22", "24"]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3c646a4..939c3f6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,7 @@ jobs:
         working-directory: packages/sdk
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Verify git tag matches package.json version
         if: github.ref_type == 'tag'