diff --git a/src/rest/RequestHandler.js b/src/rest/RequestHandler.js
index 2d8033e..8872143 100644
--- a/src/rest/RequestHandler.js
+++ b/src/rest/RequestHandler.js
@@ -19,6 +19,7 @@ const captchaMessage = [
   'You need to update your app',
   'response-already-used-error',
   'rqkey-mismatch',
+  'sitekey-secret-mismatch',
 ];
 
 function parseResponse(res) {