diff --git a/types/react-ga/index.d.ts b/types/react-ga/index.d.ts
index 56d9715ed1..d1d7eccc53 100644
--- a/types/react-ga/index.d.ts
+++ b/types/react-ga/index.d.ts
@@ -25,6 +25,8 @@ export interface GaOptions {
     legacyHistoryImport?: boolean;
     allowLinker?: boolean;
     userId?: string;
+    language?: string;
+    hostName?: string;
 }
 
 export interface InitializeOptions {