diff --git a/types/react-intl/index.d.ts b/types/react-intl/index.d.ts
index a4cb8be9b5..3dc7e9dc59 100644
--- a/types/react-intl/index.d.ts
+++ b/types/react-intl/index.d.ts
@@ -11,7 +11,7 @@
 //                 Kanitkorn Sujautra <https://github.com/lukyth>
 //                 obedm503 <https://github.com/obedm503>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.8
+// TypeScript Version: 2.9
 
 declare namespace ReactIntl {
     type DateSource = Date | string | number;