diff --git a/goldens/public-api/angular_devkit/schematics/index.md b/goldens/public-api/angular_devkit/schematics/index.md
index 67d13a8788..3bcb4150f2 100644
--- a/goldens/public-api/angular_devkit/schematics/index.md
+++ b/goldens/public-api/angular_devkit/schematics/index.md
@@ -4,8 +4,6 @@
 
 ```ts
 
-/// <reference types="node" />
-
 import { BaseException } from '@angular-devkit/core';
 import { JsonValue } from '@angular-devkit/core';
 import { logging } from '@angular-devkit/core';
diff --git a/goldens/public-api/angular_devkit/schematics/testing/index.md b/goldens/public-api/angular_devkit/schematics/testing/index.md
index 52b1cdb763..e64e6ae107 100644
--- a/goldens/public-api/angular_devkit/schematics/testing/index.md
+++ b/goldens/public-api/angular_devkit/schematics/testing/index.md
@@ -4,8 +4,6 @@
 
 ```ts
 
-/// <reference types="node" />
-
 import { JsonValue } from '@angular-devkit/core';
 import { logging } from '@angular-devkit/core';
 import { Observable } from 'rxjs';
diff --git a/goldens/public-api/angular_devkit/schematics/tools/index.md b/goldens/public-api/angular_devkit/schematics/tools/index.md
index 5c0a603041..d53e3fe776 100644
--- a/goldens/public-api/angular_devkit/schematics/tools/index.md
+++ b/goldens/public-api/angular_devkit/schematics/tools/index.md
@@ -4,8 +4,6 @@
 
 ```ts
 
-/// <reference types="node" />
-
 import { BaseException } from '@angular-devkit/core';
 import { JsonObject } from '@angular-devkit/core';
 import { JsonValue } from '@angular-devkit/core';
diff --git a/package.json b/package.json
index d6d8da637e..9a2be44f2e 100644
--- a/package.json
+++ b/package.json
@@ -108,7 +108,7 @@
     "@types/karma": "^6.3.0",
     "@types/less": "^3.0.3",
     "@types/loader-utils": "^2.0.0",
-    "@types/node": "^14.15.0",
+    "@types/node": "^16.11.7",
     "@types/node-fetch": "^2.1.6",
     "@types/npm-package-arg": "^6.1.0",
     "@types/pacote": "^11.1.3",
diff --git a/packages/angular_devkit/benchmark/src/monitored-process.ts b/packages/angular_devkit/benchmark/src/monitored-process.ts
index 7a303b541e..6c19b9f1f6 100644
--- a/packages/angular_devkit/benchmark/src/monitored-process.ts
+++ b/packages/angular_devkit/benchmark/src/monitored-process.ts
@@ -59,11 +59,13 @@ export class LocalMonitoredProcess implements MonitoredProcess {
           map((statsByProcess) => {
             // Ignore the spawned shell in the total process number.
             const pids = Object.keys(statsByProcess).filter(
-              (pid) => pid != childProcess.pid.toString(),
+              // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+              (pid) => pid != childProcess.pid!.toString(),
             );
             const processes = pids.length;
             // We want most stats from the parent process.
-            const { pid, ppid, ctime, elapsed, timestamp } = statsByProcess[childProcess.pid];
+            // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+            const { pid, ppid, ctime, elapsed, timestamp } = statsByProcess[childProcess.pid!];
 
             // CPU and memory should be agreggated.
             let cpu = 0;
diff --git a/packages/angular_devkit/schematics_cli/blank/project-files/package.json b/packages/angular_devkit/schematics_cli/blank/project-files/package.json
index 503155e525..fcb1026b18 100644
--- a/packages/angular_devkit/schematics_cli/blank/project-files/package.json
+++ b/packages/angular_devkit/schematics_cli/blank/project-files/package.json
@@ -18,7 +18,7 @@
     "typescript": "~5.0.2"
   },
   "devDependencies": {
-    "@types/node": "^14.15.0",
+    "@types/node": "^16.11.7",
     "@types/jasmine": "~4.3.0",
     "jasmine": "^4.0.0"
   }
diff --git a/packages/angular_devkit/schematics_cli/schematic/files/package.json b/packages/angular_devkit/schematics_cli/schematic/files/package.json
index bd27e4d3d7..8e363425f4 100644
--- a/packages/angular_devkit/schematics_cli/schematic/files/package.json
+++ b/packages/angular_devkit/schematics_cli/schematic/files/package.json
@@ -18,7 +18,7 @@
     "typescript": "~5.0.2"
   },
   "devDependencies": {
-    "@types/node": "^14.15.0",
+    "@types/node": "^16.11.7",
     "@types/jasmine": "~4.3.0",
     "jasmine": "~4.6.0"
   }
diff --git a/packages/schematics/angular/utility/latest-versions/package.json b/packages/schematics/angular/utility/latest-versions/package.json
index e4751b4d3e..693e80aa12 100644
--- a/packages/schematics/angular/utility/latest-versions/package.json
+++ b/packages/schematics/angular/utility/latest-versions/package.json
@@ -4,7 +4,7 @@
   "private": true,
   "dependencies": {
     "@types/jasmine": "~4.3.0",
-    "@types/node": "^14.15.0",
+    "@types/node": "^16.11.7",
     "jasmine-core": "~4.6.0",
     "jasmine-spec-reporter": "~7.0.0",
     "karma-chrome-launcher": "~3.2.0",
diff --git a/tests/legacy-cli/e2e/utils/process.ts b/tests/legacy-cli/e2e/utils/process.ts
index a76c6ed839..48dbeddbf0 100644
--- a/tests/legacy-cli/e2e/utils/process.ts
+++ b/tests/legacy-cli/e2e/utils/process.ts
@@ -236,13 +236,13 @@ export async function killAllProcesses(signal = 'SIGTERM'): Promise<void> {
 
   while (_processes.length) {
     const childProc = _processes.pop();
-    if (!childProc) {
+    if (!childProc || childProc.pid === undefined) {
       continue;
     }
 
     processesToKill.push(
       new Promise<void>((resolve) => {
-        treeKill(childProc.pid, signal, () => {
+        treeKill(childProc.pid!, signal, () => {
           // Ignore all errors.
           // This is due to a race condition with the `waitForMatch` logic.
           // where promises are resolved on matches and not when the process terminates.
diff --git a/yarn.lock b/yarn.lock
index b0ffa752f2..76d9e7a064 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3289,10 +3289,10 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.17.60.tgz#35f3d6213daed95da7f0f73e75bcc6980e90597b"
   integrity sha512-F0KIgDJfy2nA3zMLmWGKxcH2ZVEtCZXHHdOQs2gSaQ27+lNeEfGxzkIw90aXswATX7AZ33tahPbzy6KAfUreVw==
 
-"@types/node@^14.15.0":
-  version "14.18.44"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.18.44.tgz#1d42ba325c5b434ee78437378ef0b7589f32c151"
-  integrity sha512-Sg79dXC3jrRlG0QOLrK5eq2hRzpU4pkD7xBiYNYJ6r9OitJMxkpTpWf6m3qa2AWzb76uMHx+6x5T1Y/WAiS3nw==
+"@types/node@^16.11.7":
+  version "16.18.31"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-16.18.31.tgz#7de39c2b9363f0d95b129cc969fcbf98e870251c"
+  integrity sha512-KPXltf4z4g517OlVJO9XQ2357CYw7fvuJ3ZuBynjXC5Jos9i+K7LvFb7bUIwtJXSZj0vTp9Q6NJBSQpkwwO8Zw==
 
 "@types/npm-package-arg@*", "@types/npm-package-arg@^6.1.0":
   version "6.1.1"