diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7ffd7a7..c2b89b4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Ruby 2.6
       uses: ruby/setup-ruby@v1
       with:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index a1bc54a..cf1446b 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -9,7 +9,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Ruby 2.6
       uses: ruby/setup-ruby@v1
       with: