diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 632effc..43fcc12 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
 
       - uses: actions/setup-node@v6
         with:
-          node-version: "20"
+          node-version: "22"
 
       - uses: actions/setup-dotnet@v5
         with:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f64910..ffd59ec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.12.5
+
+- bump minimum Node.js version from 20 to 22
+
 ## 0.12.4 2026-03-13
 
 - Only throw error on AutoRest stderr when exit code is non-zero; log warnings otherwise
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 35e855d..80d1920 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -27,7 +27,7 @@ Table of contents generated with yzhang.markdown-all-in-one</a></i></small>
 
 To execute any instructions in this file, first ensure you fulfill all the following prerequisites:
 
-1. Install [Node.js](https://nodejs.org/), version 14.x or higher.
+1. Install [Node.js](https://nodejs.org/), version 22.x or higher.
 1. Install [.NET runtime and SDK](https://aka.ms/dotnet-download), version 6 or higher.
 1. Install [.NET CLI tools](https://github.com/dotnet/cli/releases) version 2.0.0 or higher.
 1. Execute all commands in this file from your [`openapi-diff`] git repo local clone root dir.
diff --git a/package-lock.json b/package-lock.json
index 5e7d20b..86405d6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@azure/oad",
-  "version": "0.12.4",
+  "version": "0.12.5",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@azure/oad",
-      "version": "0.12.4",
+      "version": "0.12.5",
       "license": "MIT",
       "dependencies": {
         "@ts-common/fs": "0.2.0",
@@ -33,7 +33,7 @@
         "@types/jest": "^30.0.0",
         "@types/js-yaml": "^4.0.9",
         "@types/json-pointer": "^1.0.30",
-        "@types/node": "^20.0.0",
+        "@types/node": "^22.19.17",
         "@types/yargs": "^15.0.19",
         "eslint": "^10.0.0",
         "globals": "^17.3.0",
@@ -44,7 +44,7 @@
         "typescript-eslint": "^8.58.0"
       },
       "engines": {
-        "node": ">=20.19.0"
+        "node": ">=22.0.0"
       }
     },
     "node_modules/@babel/code-frame": {
@@ -1652,9 +1652,9 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "20.19.39",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.39.tgz",
-      "integrity": "sha512-orrrD74MBUyK8jOAD/r0+lfa1I2MO6I+vAkmAWzMYbCcgrN4lCrmK52gRFQq/JRxfYPfonkr4b0jcY7Olqdqbw==",
+      "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==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 725b029..4dcc010 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@azure/oad",
-  "version": "0.12.4",
+  "version": "0.12.5",
   "author": {
     "name": "Microsoft Corporation",
     "email": "azsdkteam@microsoft.com",
@@ -30,7 +30,7 @@
     "@types/jest": "^30.0.0",
     "@types/js-yaml": "^4.0.9",
     "@types/json-pointer": "^1.0.30",
-    "@types/node": "^20.0.0",
+    "@types/node": "^22.19.17",
     "@types/yargs": "^15.0.19",
     "eslint": "^10.0.0",
     "globals": "^17.3.0",
@@ -55,7 +55,7 @@
     "superagent": "^10.2.3"
   },
   "engines": {
-    "node": ">=20.19.0"
+    "node": ">=22.0.0"
   },
   "files": [
     "dist/lib",