diff --git a/composer.json b/composer.json
index 0c4c2e3..ef9dd75 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
   ],
   "require": {
     "php": ">=5.5.0",
-    "guzzlehttp/guzzle": "6.2.*"
+    "guzzlehttp/guzzle": "^6.2"
   },
   "autoload": {
     "psr-4": {