diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2642f32..f286279 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
       matrix:
         python-version: ['3.10', '3.11', '3.12']
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
@@ -30,6 +30,6 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'schedule'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Heartbeat
         run: echo "🫀 MiniAgent heartbeat — $(date -u) — 14 platforms, 80+ tools, 5 skills"