diff --git a/types/react-native/index.d.ts b/types/react-native/index.d.ts
index 6a54805118..55f5938689 100644
--- a/types/react-native/index.d.ts
+++ b/types/react-native/index.d.ts
@@ -2252,7 +2252,7 @@ export interface WebViewUriSource {
      * The HTTP Method to use. Defaults to GET if not specified.
      * NOTE: On Android, only GET and POST are supported.
      */
-    method?: string;
+    method?: "GET" | "POST";
 
     /*
      * Additional HTTP headers to send with the request.