diff --git a/.github/workflows/example-node-versions.yml b/.github/workflows/example-node-versions.yml
index a8bd8cd73..d62ce0c29 100644
--- a/.github/workflows/example-node-versions.yml
+++ b/.github/workflows/example-node-versions.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [18, 20]
+        node: [18, 20, 21]
     name: Cypress E2E on Node v${{ matrix.node }}
     steps:
       - name: Setup Node
diff --git a/README.md b/README.md
index 73ba7089a..9662b4565 100644
--- a/README.md
+++ b/README.md
@@ -410,7 +410,7 @@ jobs:
     # let's make sure our "app" works on several versions of Node
     strategy:
       matrix:
-        node: [18, 20]
+        node: [18, 20, 21]
     name: E2E on Node v${{ matrix.node }}
     steps:
       - name: Setup Node
@@ -1135,7 +1135,7 @@ jobs:
     # let's make sure our "app" works on several versions of Node
     strategy:
       matrix:
-        node: [18, 20]
+        node: [18, 20, 21]
     name: E2E on Node v${{ matrix.node }}
     steps:
       - name: Setup Node
@@ -1169,7 +1169,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        node: [18, 20]
+        node: [18, 20, 21]
     name: E2E on Node v${{ matrix.node }}
     steps:
       - uses: actions/setup-node@v3