diff --git a/src/OneSignalClient.php b/src/OneSignalClient.php
index 1a18adf..acdf8f1 100644
--- a/src/OneSignalClient.php
+++ b/src/OneSignalClient.php
@@ -91,7 +91,7 @@ public function __construct($appId, $restApiKey, $userAuthKey, $guzzleClientTime
 
     private function createGuzzleHandler() {
         return tap(HandlerStack::create(new CurlHandler()), function (HandlerStack $handlerStack) {
-            $handlerStack->push(Middleware::retry(function ($retries, Psr7Request $request, Psr7Response $response = null, RequestException $exception = null) {
+            $handlerStack->push(Middleware::retry(function ($retries, Psr7Request $request, Psr7Response $response = null, RequestException|ConnectException $exception = null) {
                 if ($retries >= $this->maxRetries) {
                     return false;
                 }