diff --git a/types/react-native/index.d.ts b/types/react-native/index.d.ts
index 717135e7d4..1faa31da8f 100644
--- a/types/react-native/index.d.ts
+++ b/types/react-native/index.d.ts
@@ -2184,6 +2184,11 @@ export interface WebViewStatic extends React.ClassicComponentClass<WebViewProper
      * Returns the native webview node.
      */
     getWebViewHandle: () => any;
+
+    /**
+     * Inject JavaScript to be executed immediately.
+     */
+    injectJavaScript: (script: string) => void;
 }
 
 /**