diff --git a/package.json b/package.json
index 8d5abfe84af89..93e208daf27f1 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "react-build",
   "private": true,
-  "version": "15.5.4",
+  "version": "15.6.0-rc.1",
   "devDependencies": {
     "aliasify": "^2.0.0",
     "art": "^0.10.1",
diff --git a/packages/react-addons/package.json b/packages/react-addons/package.json
index 2d5c7fd750b92..f71e0fb11714b 100644
--- a/packages/react-addons/package.json
+++ b/packages/react-addons/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-addons-template",
-  "version": "15.5.4",
+  "version": "15.6.0-rc.1",
   "main": "index.js",
   "repository": "facebook/react",
   "keywords": [
@@ -13,7 +13,7 @@
     "object-assign": "^4.1.0"
   },
   "peerDependencies": {
-    "react": "^15.5.4"
+    "react": "^15.6.0-rc.1"
   },
   "files": [
     "LICENSE",
diff --git a/packages/react-dom-factories/package.json b/packages/react-dom-factories/package.json
index 896b1b9a87c62..5ac0e03cbadda 100644
--- a/packages/react-dom-factories/package.json
+++ b/packages/react-dom-factories/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-dom-factories",
-  "version": "1.0-alpha",
+  "version": "15.6.0-rc",
   "description": "React package for DOM factory methods.",
   "main": "index.js",
   "repository": "facebook/react",
@@ -13,7 +13,7 @@
   },
   "homepage": "https://facebook.github.io/react/",
   "peerDependencies": {
-    "react": "^15.5.4"
+    "react": "^15.6.0-rc.1"
   },
   "files": [
     "LICENSE",
diff --git a/packages/react-dom/package.json b/packages/react-dom/package.json
index c4ebbe19eeff2..93f32fae568ac 100644
--- a/packages/react-dom/package.json
+++ b/packages/react-dom/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-dom",
-  "version": "15.5.4",
+  "version": "15.6.0-rc.1",
   "description": "React package for working with the DOM.",
   "main": "index.js",
   "repository": "facebook/react",
@@ -19,7 +19,7 @@
     "prop-types": "~15.5.7"
   },
   "peerDependencies": {
-    "react": "^15.5.4"
+    "react": "^15.6.0-rc.1"
   },
   "files": [
     "LICENSE",
diff --git a/packages/react-native-renderer/package.json b/packages/react-native-renderer/package.json
index 32584d09489c4..93c33592c3fc8 100644
--- a/packages/react-native-renderer/package.json
+++ b/packages/react-native-renderer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-renderer",
-  "version": "15.5.4",
+  "version": "15.6.0-rc.1",
   "description": "React package for use inside react-native.",
   "main": "index.js",
   "repository": "facebook/react",
@@ -18,7 +18,7 @@
     "object-assign": "^4.1.0"
   },
   "peerDependencies": {
-    "react": "^15.5.4"
+    "react": "^15.6.0-rc.1"
   },
   "files": [
     "LICENSE",
diff --git a/packages/react-test-renderer/package.json b/packages/react-test-renderer/package.json
index 5cd0fc0c3feec..b8154cebbb189 100644
--- a/packages/react-test-renderer/package.json
+++ b/packages/react-test-renderer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-test-renderer",
-  "version": "15.5.4",
+  "version": "15.6.0-rc.1",
   "description": "React package for snapshot testing.",
   "main": "index.js",
   "repository": "facebook/react",
@@ -19,7 +19,7 @@
     "object-assign": "^4.1.0"
   },
   "peerDependencies": {
-    "react": "^15.5.4"
+    "react": "^15.6.0-rc.1"
   },
   "files": [
     "LICENSE",
diff --git a/packages/react/package.json b/packages/react/package.json
index 40211543e9b31..de25c8cb412a0 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -1,7 +1,7 @@
 {
   "name": "react",
   "description": "React is a JavaScript library for building user interfaces.",
-  "version": "15.5.4",
+  "version": "15.6.0-rc.1",
   "keywords": [
     "react"
   ],
diff --git a/src/ReactVersion.js b/src/ReactVersion.js
index f1670f87491fa..ae5c64d58ff69 100644
--- a/src/ReactVersion.js
+++ b/src/ReactVersion.js
@@ -11,4 +11,4 @@
 
 'use strict';
 
-module.exports = '15.5.4';
+module.exports = '15.6.0-rc.1';