diff --git a/composer.json b/composer.json
index 482cddb157f0..e0aed3e9ea8a 100644
--- a/composer.json
+++ b/composer.json
@@ -49,7 +49,7 @@
         "fruitcakestudio/omnipay-sisow": "~2.0",
         "fzaninotto/faker": "^1.5",
         "google/apiclient": "^2.0",
-        "guzzlehttp/guzzle": "^6.3",
+        "guzzlehttp/guzzle": "^6.5",
         "guzzlehttp/psr7": "1.8.5",
         "intervention/image": "dev-master",
         "jaybizzle/laravel-crawler-detect": "1.*",