diff --git a/.github/workflows/appengine_deploy.yml b/.github/workflows/appengine_deploy.yml
index cabca25be..beb74e9ff 100644
--- a/.github/workflows/appengine_deploy.yml
+++ b/.github/workflows/appengine_deploy.yml
@@ -15,7 +15,7 @@ jobs:
     steps:
       # Checks-out the repository under $GITHUB_WORKSPACE.
       # When running manually this checks out the master branch.
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Prepare demo files
         # Install all dependencies, then copy all the files needed for demos.
diff --git a/.github/workflows/browser_test.yml b/.github/workflows/browser_test.yml
index 16337cdd6..37c1c39b3 100644
--- a/.github/workflows/browser_test.yml
+++ b/.github/workflows/browser_test.yml
@@ -24,7 +24,7 @@ jobs:
         # https://nodejs.org/en/about/releases/
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 484faf969..eb8b2c886 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -23,7 +23,7 @@ jobs:
         # https://nodejs.org/en/about/releases/
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           persist-credentials: false
 
@@ -58,7 +58,7 @@ jobs:
     timeout-minutes: 5
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Use Node.js 20.x
         uses: actions/setup-node@v3
@@ -75,7 +75,7 @@ jobs:
     timeout-minutes: 5
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Use Node.js 20.x
         uses: actions/setup-node@v3