diff --git a/src/Repository.php b/src/Repository.php
index f3a0a3d..e761e36 100644
--- a/src/Repository.php
+++ b/src/Repository.php
@@ -174,6 +174,8 @@ public function getMilestones(array $params = []): Generator
      */
     private function fetch(string $url): Generator
     {
+        set_time_limit(15);     // prevent timeouts - time limit is reset on every recursive call
+
         $response = fopen($url, 'r', false, $this->context);
 
         if (!$response) {