diff --git a/packages/metro/package.json b/packages/metro/package.json
index cc56a00f..99c913b7 100644
--- a/packages/metro/package.json
+++ b/packages/metro/package.json
@@ -41,6 +41,7 @@
     "left-pad": "^1.1.3",
     "lodash": "^4.16.6",
     "merge-stream": "^1.0.1",
+    "metro-source-map": "^0.23.0",
     "mime-types": "2.1.11",
     "mkdirp": "^0.5.1",
     "request": "^2.79.0",
@@ -57,4 +58,4 @@
   "devDependencies": {
     "babel-cli": "^6.26.0"
   }
-}
\ No newline at end of file
+}