diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 86d1a603..bfa30bde 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,6 +10,6 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: actions/setup-node@v2.5.2
     - run: npm cit
diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 2c20cbdb..28a6460b 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -8,7 +8,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     # build
     - uses: actions/setup-node@v2.5.2
     - run: npm ci