diff --git a/composer.json b/composer.json
index f49748b3..c4e66d4c 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
   },
   "require": {
     "guzzlehttp/guzzle": "~6.0",
-    "illuminate/support": "~5.1|~5.2|~5.3|~5.4|~5.5|~5.6|~5.7",
+    "illuminate/support": "~5.1|~5.2|~5.3|~5.4|~5.5|~5.6|~5.7|~5.8",
     "nesbot/carbon": "~1.0"
   },
   "config": {