diff --git a/packages/stack/package.json b/packages/stack/package.json
index 7b5d7388..ef1cedc7 100644
--- a/packages/stack/package.json
+++ b/packages/stack/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-navigation-stack",
-  "version": "2.0.0-alpha.39",
+  "version": "2.0.0-alpha.40",
   "description": "Stack navigator component for React Navigation",
   "main": "lib/commonjs/index.js",
   "module": "lib/module/index.js",