diff --git a/.github/workflows/run_ci.yml b/.github/workflows/run_ci.yml
index 42c2455..52148a4 100644
--- a/.github/workflows/run_ci.yml
+++ b/.github/workflows/run_ci.yml
@@ -38,7 +38,7 @@ jobs:
       - uses: dart-lang/setup-dart@v1.4
         with:
           sdk: ${{ matrix.dart }}
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v5
         with:
           node-version: ${{ matrix.node }}
diff --git a/.github/workflows/run_ci_downgrade_analyze.yml b/.github/workflows/run_ci_downgrade_analyze.yml
index 1e72714..ef0fb68 100644
--- a/.github/workflows/run_ci_downgrade_analyze.yml
+++ b/.github/workflows/run_ci_downgrade_analyze.yml
@@ -20,7 +20,7 @@ jobs:
           - os: ubuntu-latest
             dart: stable
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dart-lang/setup-dart@v1.4
         with:
           sdk: ${{ matrix.dart }}