diff --git a/packages/metro/src/ModuleGraph/types.flow.js b/packages/metro/src/ModuleGraph/types.flow.js
index b984d9ed..eeca7b7c 100644
--- a/packages/metro/src/ModuleGraph/types.flow.js
+++ b/packages/metro/src/ModuleGraph/types.flow.js
@@ -250,7 +250,7 @@ export type ResolvedCodeFile = {|
    * all the other dependencies. For example, it could be
    * `{'foo': 'bar/foo.js', 'bar': 'node_modules/bar/index.js'}`.
    */
-  +filePathsByDependencyName: {|+[dependencyName: string]: string|},
+  +filePathsByDependencyName: {+[dependencyName: string]: string},
 |};
 
 /**