diff --git a/node/mock-test.ts b/node/mock-test.ts
index 37d379a3b..4d973387e 100644
--- a/node/mock-test.ts
+++ b/node/mock-test.ts
@@ -143,20 +143,17 @@ export class MockTestRunner {
 
         let downloadVersion: string;
         switch (version) {
-            case 5:
-                downloadVersion = 'v5.10.1';
-                break;
             case 6:
                 downloadVersion = 'v6.17.1';
                 break;
             case 10:
                 downloadVersion = 'v10.21.0';
                 break;
-            case 14:
-                downloadVersion = 'v14.11.0';
+            case 16:
+                downloadVersion = 'v16.13.0';
                 break;
             default:
-                throw new Error('Invalid node version, must be 5, 6, 10, or 14 (received ' + version + ')');
+                throw new Error('Invalid node version, must be 6, 10, or 16 (received ' + version + ')');
         }
 
         // Install node in home directory if it isn't already there.
@@ -170,12 +167,12 @@ export class MockTestRunner {
         }
     }
 
-    // Determines the correct version of node to use based on the contents of the task's task.json. Defaults to Node 14.
+    // Determines the correct version of node to use based on the contents of the task's task.json. Defaults to Node 16.
     private getNodeVersion(): number {
         const taskJsonPath: string = this.getTaskJsonPath();
         if (!taskJsonPath) {
-            console.warn('Unable to find task.json, defaulting to use Node 14');
-            return 10;
+            console.warn('Unable to find task.json, defaulting to use Node 16');
+            return 16;
         }
         const taskJsonContents = fs.readFileSync(taskJsonPath, { encoding: 'utf-8' });
         const taskJson: object = JSON.parse(taskJsonContents);
@@ -188,9 +185,9 @@ export class MockTestRunner {
         );
         const keys = Object.keys(execution);
         for (let i = 0; i < keys.length; i++) {
-            if (keys[i].toLowerCase() == 'node14') {
-                // Prefer node 14 and return immediately.
-                return 14;
+            if (keys[i].toLowerCase() == 'node16') {
+                // Prefer node 16 and return immediately.
+                return 16;
             } else if (keys[i].toLowerCase() == 'node10') {
                 // Prefer node 10 and return immediately.
                 return 10;
@@ -200,8 +197,8 @@ export class MockTestRunner {
         }
 
         if (!nodeVersionFound) {
-            console.warn('Unable to determine execution type from task.json, defaulting to use Node 10');
-            return 10;
+            console.warn('Unable to determine execution type from task.json, defaulting to use Node 16');
+            return 16;
         }
 
         return 6;
diff --git a/node/test/fakeTasks/node14task/task.json b/node/test/fakeTasks/node16task/task.json
similarity index 66%
rename from node/test/fakeTasks/node14task/task.json
rename to node/test/fakeTasks/node16task/task.json
index a4825b6ec..4342d1603 100644
--- a/node/test/fakeTasks/node14task/task.json
+++ b/node/test/fakeTasks/node16task/task.json
@@ -1,8 +1,8 @@
 {
     "id": "id",
-    "name": "Node14Task",
+    "name": "Node16Task",
     "execution": {
-        "Node14": {
+        "Node16": {
             "target": "usedotnet.js"
         }
     }
diff --git a/node/test/mocktests.ts b/node/test/mocktests.ts
index 30b7b2c2f..6c8e44095 100644
--- a/node/test/mocktests.ts
+++ b/node/test/mocktests.ts
@@ -318,13 +318,13 @@ describe('Mock Tests', function () {
         done();
     })
 
-    it('MockTest handles node 14 tasks correctly', function (done) {
+    it('MockTest handles node 16 tasks correctly', function (done) {
         this.timeout(30000);
-        const runner = new mtm.MockTestRunner(path.join(__dirname, 'fakeTasks', 'node14task', 'entry.js'));
+        const runner = new mtm.MockTestRunner(path.join(__dirname, 'fakeTasks', 'node16task', 'entry.js'));
         const nodePath = runner.nodePath;
         assert(nodePath, 'node path should have been correctly set');
         const version = ncp.execSync(nodePath + ' -v').toString().trim();
-        assert(semver.satisfies(version, '14.x'), 'Downloaded node version should be Node 14 instead of ' + version);
+        assert(semver.satisfies(version, '16.x'), 'Downloaded node version should be Node 16 instead of ' + version);
         done();
     })
 });
diff --git a/tasks.schema.json b/tasks.schema.json
index 414d4157b..08dcde4d4 100644
--- a/tasks.schema.json
+++ b/tasks.schema.json
@@ -385,6 +385,9 @@
       "additionalProperties": false,
       "description": "Execution options for this task (on Pre-Job stage)",
       "properties": {
+        "Node16": {
+          "$ref": "#/definitions/executionObject"
+        },
         "Node10": {
           "$ref": "#/definitions/executionObject"
         },
@@ -404,6 +407,9 @@
       "additionalProperties": false,
       "description": "Execution options for this task",
       "properties": {
+        "Node16": {
+          "$ref": "#/definitions/executionObject"
+        },
         "Node10": {
           "$ref": "#/definitions/executionObject"
         },
@@ -423,6 +429,9 @@
       "additionalProperties": false,
       "description": "Execution options for this task (on Post-Job stage)",
       "properties": {
+        "Node16": {
+          "$ref": "#/definitions/executionObject"
+        },
         "Node10": {
           "$ref": "#/definitions/executionObject"
         },