diff --git a/packages/babel-parser/typings/babel-parser.d.ts b/packages/babel-parser/typings/babel-parser.d.ts
index deba6be0e6a7..e9b637a4d1ff 100644
--- a/packages/babel-parser/typings/babel-parser.d.ts
+++ b/packages/babel-parser/typings/babel-parser.d.ts
@@ -36,6 +36,12 @@ export interface ParserOptions {
 
     allowSuperOutsideMethod?: boolean;
 
+    /**
+     * By default, exported identifiers must refer to a declared variable.
+     * Set this to true to allow export statements to reference undeclared variables.
+     */
+    allowUndeclaredExports?: boolean;
+
     /**
      * Indicate the mode the code should be parsed in.
      * Can be one of "script", "module", or "unambiguous". Defaults to "script".