diff --git a/.github/workflows/firebase-hosting-merge.yml b/.github/workflows/firebase-hosting-merge.yml
index 8d48737..bbce64f 100644
--- a/.github/workflows/firebase-hosting-merge.yml
+++ b/.github/workflows/firebase-hosting-merge.yml
@@ -10,7 +10,7 @@ jobs:
   build_and_deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-go@v4
         with:
diff --git a/.github/workflows/firebase-hosting-pull-request.yml b/.github/workflows/firebase-hosting-pull-request.yml
index f6354d6..7e09614 100644
--- a/.github/workflows/firebase-hosting-pull-request.yml
+++ b/.github/workflows/firebase-hosting-pull-request.yml
@@ -13,7 +13,7 @@ jobs:
     if: '${{ github.event.pull_request.head.repo.full_name == github.repository }}'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-go@v4
         with: