diff --git a/Composer/README.md b/Composer/README.md
index 91f9e36dda..c4395a8faa 100644
--- a/Composer/README.md
+++ b/Composer/README.md
@@ -8,7 +8,7 @@ The web app that can edit bots in OBI format, and can use Bot Launcher to run bo
 ### Instructions
 
 Prerequisite:
-* node > 10.0
+* node > 12
 * yarn         // npm install -g yarn
 
 To build for hosting as site extension
diff --git a/Composer/package.json b/Composer/package.json
index ac6795cb0c..742387b7b8 100644
--- a/Composer/package.json
+++ b/Composer/package.json
@@ -4,6 +4,9 @@
   "resolutions": {
     "@types/react": "16.9.0"
   },
+  "engines": {
+    "node": ">=12"
+  },
   "workspaces": [
     "packages/client",
     "packages/server",
diff --git a/Composer/packages/client/package.json b/Composer/packages/client/package.json
index 3a540e1976..3a44f7febe 100644
--- a/Composer/packages/client/package.json
+++ b/Composer/packages/client/package.json
@@ -2,6 +2,9 @@
   "name": "@bfc/client",
   "version": "0.1.0",
   "private": true,
+  "engines": {
+    "node": ">=12"
+  },
   "scripts": {
     "start": "node scripts/start.js",
     "build": "node scripts/build.js",
diff --git a/Composer/packages/extensions/obiformeditor/package.json b/Composer/packages/extensions/obiformeditor/package.json
index 9366a3c15e..153a8d5a54 100644
--- a/Composer/packages/extensions/obiformeditor/package.json
+++ b/Composer/packages/extensions/obiformeditor/package.json
@@ -2,6 +2,9 @@
   "name": "@bfc/obiformeditor",
   "version": "1.0.0",
   "description": "obieditortest React component",
+  "engines": {
+    "node": ">=12"
+  },
   "main": "lib/index.js",
   "module": "es/index.js",
   "files": [
diff --git a/Composer/packages/extensions/package.json b/Composer/packages/extensions/package.json
index 605efc971a..3049abd6eb 100644
--- a/Composer/packages/extensions/package.json
+++ b/Composer/packages/extensions/package.json
@@ -3,6 +3,9 @@
   "version": "1.0.0",
   "description": "",
   "main": "index.js",
+  "engines": {
+    "node": ">=12"
+  },
   "scripts": {
     "build:visual-designer": "cd visual-designer && yarn build",
     "build:obiformeditor": "cd obiformeditor && yarn build",
diff --git a/Composer/packages/extensions/visual-designer/package.json b/Composer/packages/extensions/visual-designer/package.json
index c39739966f..10909e14cc 100644
--- a/Composer/packages/extensions/visual-designer/package.json
+++ b/Composer/packages/extensions/visual-designer/package.json
@@ -3,6 +3,9 @@
   "version": "1.0.0",
   "description": "visual-designer React component",
   "main": "lib/index.js",
+  "engines": {
+    "node": ">=12"
+  },
   "files": [
     "css",
     "es",
diff --git a/Composer/packages/lib/code-editor/package.json b/Composer/packages/lib/code-editor/package.json
index 31db849c38..9013709386 100644
--- a/Composer/packages/lib/code-editor/package.json
+++ b/Composer/packages/lib/code-editor/package.json
@@ -3,6 +3,9 @@
   "version": "0.0.0",
   "description": "Code editor component that is shared in composer packages",
   "main": "lib/index.js",
+  "engines": {
+    "node": ">=12"
+  },
   "repository": "https://github.com/microsoft/BotFramework-Composer",
   "license": "MIT",
   "private": true,
diff --git a/Composer/packages/lib/eslint-plugin-bfcomposer/package.json b/Composer/packages/lib/eslint-plugin-bfcomposer/package.json
index 6af516e91a..51206fed5b 100644
--- a/Composer/packages/lib/eslint-plugin-bfcomposer/package.json
+++ b/Composer/packages/lib/eslint-plugin-bfcomposer/package.json
@@ -2,6 +2,9 @@
   "name": "@bfc/eslint-plugin-bfcomposer",
   "version": "1.0.0",
   "main": "src/index.js",
+  "engines": {
+    "node": ">=12"
+  },
   "devDependencies": {
     "lodash": "^4.17.15"
   }
diff --git a/Composer/packages/lib/indexers/package.json b/Composer/packages/lib/indexers/package.json
index c6bacc6cf0..497ecdb788 100644
--- a/Composer/packages/lib/indexers/package.json
+++ b/Composer/packages/lib/indexers/package.json
@@ -3,6 +3,9 @@
   "version": "0.0.0",
   "description": "<description>",
   "main": "lib/index.js",
+  "engines": {
+    "node": ">=12"
+  },
   "repository": "https://github.com/microsoft/BotFramework-Composer",
   "license": "MIT",
   "scripts": {
diff --git a/Composer/packages/lib/package.json b/Composer/packages/lib/package.json
index 8a903bc33b..6e6604e56c 100644
--- a/Composer/packages/lib/package.json
+++ b/Composer/packages/lib/package.json
@@ -3,6 +3,9 @@
   "version": "1.0.0",
   "description": "",
   "main": "index.js",
+  "engines": {
+    "node": ">=12"
+  },
   "scripts": {
     "build:code-editor": "cd code-editor && yarn build",
     "build:shared": "cd shared && yarn build",
diff --git a/Composer/packages/lib/shared/package.json b/Composer/packages/lib/shared/package.json
index bb5cff12ed..73e55bf6e9 100644
--- a/Composer/packages/lib/shared/package.json
+++ b/Composer/packages/lib/shared/package.json
@@ -5,6 +5,9 @@
   "main": "lib/index.js",
   "repository": "https://github.com/microsoft/BotFramework-Composer",
   "license": "MIT",
+  "engines": {
+    "node": ">=12"
+  },
   "scripts": {
     "build": "yarn clean && yarn build:css && yarn build:ts",
     "build:ts": "tsc --build tsconfig.build.json",
diff --git a/Composer/packages/server/package.json b/Composer/packages/server/package.json
index 9eb7ba7a42..3ec2c1ce72 100644
--- a/Composer/packages/server/package.json
+++ b/Composer/packages/server/package.json
@@ -3,6 +3,9 @@
   "version": "1.0.0",
   "description": "",
   "main": "index.js",
+  "engines": {
+    "node": ">=12"
+  },
   "scripts": {
     "analyze": "source-map-explorer 'build/public/static/js/*.js'",
     "build": "tsc -p tsconfig.build.json",