diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 711f4c3..c98dc64 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
     outputs:
       pomodoro: ${{ steps.filter.outputs.pomodoro }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dorny/paths-filter@v3
         id: filter
         with:
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v6
       - run: cd pomodoro && uv sync --frozen
       - run: cd pomodoro && uv run ruff check src/
@@ -44,7 +44,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v6
       - run: cd pomodoro && uv sync --frozen
       - run: cd pomodoro && uv run pytest
@@ -53,7 +53,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - uses: gitleaks/gitleaks-action@v2