diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 3fc4f414a5162..6a912fb2280fb 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -1,6 +1,6 @@
 {
   "name": "react-build",
-  "version": "15.0.1",
+  "version": "15.0.3-alpha.1",
   "dependencies": {
     "async": {
       "version": "1.5.2",
@@ -14353,9 +14353,9 @@
       }
     },
     "object-assign": {
-      "version": "4.0.1",
-      "from": "object-assign@>=4.0.1 <5.0.0",
-      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.0.1.tgz"
+      "version": "4.1.0",
+      "from": "object-assign@>=4.1.0 <5.0.0",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.0.tgz"
     },
     "platform": {
       "version": "1.3.1",