diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 16f7d053..65db845b 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -29,7 +29,7 @@ updates:
 
       # devDependencies
 
-      # locked to "^20.0.0" to align with our minimum node version in package.json/engines
+      # locked to align with our minimum node version in package.json/engines
       - dependency-name: "@types/node"
 
       # locked to "^8", since newer versions include breaking changes
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 2fd7209d..8a0b1600 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -17,11 +17,11 @@ jobs:
     steps:
       - uses: actions/checkout@v6
 
-      - name: Setup Node 20
+      - name: Setup Node 22
         uses: actions/setup-node@v6
         with:
           cache: "npm"
-          node-version: 20
+          node-version: 22
 
       - name: Install deps
         run: |
diff --git a/ChangeLog.md b/ChangeLog.md
index d8e9f6fd..2e89bf1e 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -2,6 +2,7 @@
 
 ## 04/24/2026 4.0.4
 
+- Requires Node 22 or higher
 - Remove unused runtime dependency `@azure/ms-rest-js`
 - Remove dead code under `lib/templates` (`httpTemplate.ts`, `markdownHttpTemplate.ts`, `yamlHttpTemplate.ts`) and the unused `lib/models/responseWrapper.ts`
 
diff --git a/eng/templates/stages/oav.yml b/eng/templates/stages/oav.yml
index 0906cef3..97f13e3a 100644
--- a/eng/templates/stages/oav.yml
+++ b/eng/templates/stages/oav.yml
@@ -20,10 +20,10 @@ extends:
               - checkout: self
                 submodules: true
 
-              - task: NodeTool@0
+              - task: UseNode@1
                 inputs:
-                  versionSpec: "20.x"
-                displayName: "Use Node 20"
+                  version: "22.x"
+                displayName: "Use Node 22"
 
               - task: Npm@1
                 displayName: "npm ci"
diff --git a/package-lock.json b/package-lock.json
index ba637e46..f69ae256 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -45,7 +45,7 @@
         "@types/json-schema-traverse": "^0.4.0",
         "@types/lodash": "^4.17.20",
         "@types/mustache": "^4.1.2",
-        "@types/node": "^20.0.0",
+        "@types/node": "^22.19.17",
         "@types/toposort": "^2.0.3",
         "@types/yargs": "^11.1.2",
         "@typescript-eslint/eslint-plugin": "^8.44.1",
@@ -63,7 +63,7 @@
         "typescript": "~5.9.2"
       },
       "engines": {
-        "node": ">=20.0.0"
+        "node": ">=22.0.0"
       }
     },
     "node_modules/@apidevtools/json-schema-ref-parser": {
@@ -2079,9 +2079,9 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "20.19.25",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.25.tgz",
-      "integrity": "sha512-ZsJzA5thDQMSQO788d7IocwwQbI8B5OPzmqNvpf3NY/+MHDAS759Wo0gd2WQeXYt5AAAQjzcrTVC6SKCuYgoCQ==",
+      "version": "22.19.17",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.19.17.tgz",
+      "integrity": "sha512-wGdMcf+vPYM6jikpS/qhg6WiqSV/OhG+jeeHT/KlVqxYfD40iYJf9/AE1uQxVWFvU7MipKRkRv8NSHiCGgPr8Q==",
       "license": "MIT",
       "dependencies": {
         "undici-types": "~6.21.0"
diff --git a/package.json b/package.json
index 99359a52..be32dba7 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "@types/json-schema-traverse": "^0.4.0",
     "@types/lodash": "^4.17.20",
     "@types/mustache": "^4.1.2",
-    "@types/node": "^20.0.0",
+    "@types/node": "^22.19.17",
     "@types/toposort": "^2.0.3",
     "@types/yargs": "^11.1.2",
     "@typescript-eslint/eslint-plugin": "^8.44.1",
@@ -116,7 +116,7 @@
     "li": "npm install @ts-common/local-install --no-save && local-install"
   },
   "engines": {
-    "node": ">=20.0.0"
+    "node": ">=22.0.0"
   },
   "jest-junit": {
     "output": "test-results.xml"