diff --git a/addons/react-addons-update/package.json b/addons/react-addons-update/package.json
index 83863526bf6e4..3ff42a23a029c 100644
--- a/addons/react-addons-update/package.json
+++ b/addons/react-addons-update/package.json
@@ -9,7 +9,7 @@
   ],
   "license": "BSD-3-Clause",
   "dependencies": {
-    "fbjs": "^0.8.4",
+    "fbjs": "^0.8.9",
     "object-assign": "^4.1.0"
   },
   "peerDependencies": {
diff --git a/package.json b/package.json
index 6762a79366652..24e70fd1da52b 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "eslint-plugin-flowtype": "^2.25.0",
     "eslint-plugin-react": "^6.7.1",
     "eslint-plugin-react-internal": "file:eslint-rules",
-    "fbjs": "^0.8.5",
+    "fbjs": "^0.8.9",
     "fbjs-scripts": "^0.6.0",
     "flow-bin": "^0.37.0",
     "glob": "^6.0.1",
diff --git a/packages/react-addons/package.json b/packages/react-addons/package.json
index 4fe63210a370c..49bbacbe12432 100644
--- a/packages/react-addons/package.json
+++ b/packages/react-addons/package.json
@@ -9,7 +9,7 @@
   ],
   "license": "BSD-3-Clause",
   "dependencies": {
-    "fbjs": "^0.8.4",
+    "fbjs": "^0.8.9",
     "object-assign": "^4.1.0"
   },
   "peerDependencies": {
diff --git a/packages/react-dom/package.json b/packages/react-dom/package.json
index fc094470f30bf..5a428fa89f3c9 100644
--- a/packages/react-dom/package.json
+++ b/packages/react-dom/package.json
@@ -13,7 +13,7 @@
   },
   "homepage": "https://facebook.github.io/react/",
   "dependencies": {
-    "fbjs": "^0.8.1",
+    "fbjs": "^0.8.9",
     "loose-envify": "^1.1.0",
     "object-assign": "^4.1.0"
   },
diff --git a/packages/react-native-renderer/package.json b/packages/react-native-renderer/package.json
index eff6dea462e31..84e42d55bc45b 100644
--- a/packages/react-native-renderer/package.json
+++ b/packages/react-native-renderer/package.json
@@ -14,7 +14,7 @@
   },
   "homepage": "https://facebook.github.io/react-native/",
   "dependencies": {
-    "fbjs": "^0.8.1",
+    "fbjs": "^0.8.9",
     "object-assign": "^4.1.0"
   },
   "peerDependencies": {
diff --git a/packages/react-test-renderer/package.json b/packages/react-test-renderer/package.json
index f52977995e109..382e1f828d3cc 100644
--- a/packages/react-test-renderer/package.json
+++ b/packages/react-test-renderer/package.json
@@ -15,7 +15,7 @@
   },
   "homepage": "https://facebook.github.io/react/",
   "dependencies": {
-    "fbjs": "^0.8.4",
+    "fbjs": "^0.8.9",
     "object-assign": "^4.1.0"
   },
   "peerDependencies": {
diff --git a/packages/react/package.json b/packages/react/package.json
index 48ff747f9e92c..7ea9250b7d4e8 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -23,7 +23,7 @@
     "node": ">=0.10.0"
   },
   "dependencies": {
-    "fbjs": "^0.8.4",
+    "fbjs": "^0.8.9",
     "loose-envify": "^1.1.0",
     "object-assign": "^4.1.0"
   },
diff --git a/yarn.lock b/yarn.lock
index bf09363a81aa6..74280c62c3293 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2049,15 +2049,16 @@ fbjs-scripts@^0.6.0:
     semver "^5.1.0"
     through2 "^2.0.0"
 
-fbjs@^0.8.5:
-  version "0.8.6"
-  resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.6.tgz#7eb67d6986b2d5007a9b6e92e0e7cb6f75cad290"
+fbjs@^0.8.9:
+  version "0.8.9"
+  resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.9.tgz#180247fbd347dcc9004517b904f865400a0c8f14"
   dependencies:
     core-js "^1.0.0"
     isomorphic-fetch "^2.1.1"
     loose-envify "^1.0.0"
     object-assign "^4.1.0"
     promise "^7.1.1"
+    setimmediate "^1.0.5"
     ua-parser-js "^0.7.9"
 
 fbjs@^0.8.9: