diff --git a/.github/workflows/gen.yaml b/.github/workflows/gen.yaml
index 9987865..564bd8c 100644
--- a/.github/workflows/gen.yaml
+++ b/.github/workflows/gen.yaml
@@ -25,12 +25,12 @@ jobs:
     steps:
     # Check out this client repo and schema source repo
     - name: Checkout this repo
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: googleapis/google-cloudevents-nodejs
         path: google-cloudevents-nodejs
     - name: Checkout client repo
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: googleapis/google-cloudevents
         path: google-cloudevents
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 8724edf..50a6fa0 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -11,7 +11,7 @@ jobs:
       matrix:
         node: [10, 12, 14]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node }}
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index 6ceeae5..9d80a28 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -41,7 +41,7 @@ jobs:
           package-name: "@google/events"
           command: github-release
       # The logic below handles the npm publication:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         # these if statements ensure that a publication only occurs when
         # a new release is created:
         if: ${{ steps.release.outputs.release_created }}
diff --git a/.github/workflows/unit.yaml b/.github/workflows/unit.yaml
index a995b90..07def48 100644
--- a/.github/workflows/unit.yaml
+++ b/.github/workflows/unit.yaml
@@ -12,7 +12,7 @@ jobs:
         node-version: [10.x, 12.x, 14.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node }}