diff --git a/packages/react-devtools-core/package.json b/packages/react-devtools-core/package.json
index 9513b6fbce09d..cd542724553ce 100644
--- a/packages/react-devtools-core/package.json
+++ b/packages/react-devtools-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-devtools-core",
-  "version": "4.1.3",
+  "version": "4.2.0",
   "description": "Use react-devtools outside of the browser",
   "license": "MIT",
   "main": "./dist/backend.js",
diff --git a/packages/react-devtools-extensions/chrome/manifest.json b/packages/react-devtools-extensions/chrome/manifest.json
index f28a5db3ce12e..5f72566b502f1 100644
--- a/packages/react-devtools-extensions/chrome/manifest.json
+++ b/packages/react-devtools-extensions/chrome/manifest.json
@@ -2,8 +2,8 @@
   "manifest_version": 2,
   "name": "React Developer Tools",
   "description": "Adds React debugging tools to the Chrome Developer Tools.",
-  "version": "4.1.3",
-  "version_name": "4.1.3",
+  "version": "4.2.0",
+  "version_name": "4.2.0",
 
   "minimum_chrome_version": "49",
 
diff --git a/packages/react-devtools-extensions/firefox/manifest.json b/packages/react-devtools-extensions/firefox/manifest.json
index d1f0386e13945..d28d0620d847b 100644
--- a/packages/react-devtools-extensions/firefox/manifest.json
+++ b/packages/react-devtools-extensions/firefox/manifest.json
@@ -2,7 +2,7 @@
   "manifest_version": 2,
   "name": "React Developer Tools",
   "description": "Adds React debugging tools to the Firefox Developer Tools.",
-  "version": "4.1.3",
+  "version": "4.2.0",
 
   "applications": {
     "gecko": {
diff --git a/packages/react-devtools-inline/package.json b/packages/react-devtools-inline/package.json
index 375d9d54ccfa0..6ac957a7e29d7 100644
--- a/packages/react-devtools-inline/package.json
+++ b/packages/react-devtools-inline/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-devtools-inline",
-  "version": "4.1.3",
+  "version": "4.2.0",
   "description": "Embed react-devtools within a website",
   "license": "MIT",
   "main": "./dist/backend.js",
diff --git a/packages/react-devtools/CHANGELOG.md b/packages/react-devtools/CHANGELOG.md
index 20fc2f7a3a98b..c88d5d25b2c2b 100644
--- a/packages/react-devtools/CHANGELOG.md
+++ b/packages/react-devtools/CHANGELOG.md
@@ -8,9 +8,11 @@
   
   <!-- Upcoming changes go here -->
 
+</details>
+
+## 4.2.0 (October 3, 2019)
 #### Features
 * "Highlight updates" feature added for browser extensions and `react-devtools-inline` NPM package. ([bvaughn](https://github.com/bvaughn) in [#16989](https://github.com/facebook/react/pull/16989))
-</details>
 
 ## 4.1.3 (September 30, 2019)
 #### Bug fixes
diff --git a/packages/react-devtools/package.json b/packages/react-devtools/package.json
index 55ee8d969437c..ef1e6a135fb1c 100644
--- a/packages/react-devtools/package.json
+++ b/packages/react-devtools/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-devtools",
-  "version": "4.1.3",
+  "version": "4.2.0",
   "description": "Use react-devtools outside of the browser",
   "license": "MIT",
   "repository": {
@@ -27,7 +27,7 @@
     "electron": "^5.0.0",
     "ip": "^1.1.4",
     "minimist": "^1.2.0",
-    "react-devtools-core": "4.1.3",
+    "react-devtools-core": "4.2.0",
     "update-notifier": "^2.1.0"
   }
 }