diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 731daba..82c9a58 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2
diff --git a/.github/workflows/gh-pages-build.yml b/.github/workflows/gh-pages-build.yml
index 888ec65..6b47a6c 100644
--- a/.github/workflows/gh-pages-build.yml
+++ b/.github/workflows/gh-pages-build.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@master
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v3
         with: