diff --git a/.gitignore b/.gitignore
index 660fc15..cc31cac 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 composer.lock
 /phpunit.xml
 .phpunit.result.cache
+.idea
diff --git a/composer.json b/composer.json
index 786479f..50efe23 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
         "illuminate/support": "^6.0",
         "illuminate/view": "^6.0",
         "league/iso3166": "^2.1",
-        "guzzlehttp/guzzle": "^7.0",
+        "guzzlehttp/guzzle": "^6.0|^7.0",
         "mpociot/vat-calculator": "^2.4"
     },
     "require-dev": {