diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 007784c..bb04294 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -10,7 +10,7 @@ jobs:
     name: deploy-gcf
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up Cloud SDK
         uses: google-github-actions/setup-gcloud@v2
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 18653b5..90f4a2d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,7 +15,7 @@ jobs:
     name: release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v4
         with:
           node-version: lts/*
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 70ea0b0..bfb10fb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v4
         with:
           cache: npm