diff --git a/composer.json b/composer.json
index c4d4d6c..265e63f 100644
--- a/composer.json
+++ b/composer.json
@@ -16,12 +16,15 @@
     ],
     "require": {
         "php": "^7.2",
-        "guzzlehttp/guzzle": "^6.5",
-        "plesk/api-php-lib": "^1.0"
+        "guzzlehttp/guzzle": "^6.5"
     },
     "require-dev": {
         "phpunit/phpunit": "^8.0",
-        "orchestra/testbench": "^3.8.0|^4.0"
+        "orchestra/testbench": "^3.8.0|^4.0",
+        "plesk/api-php-lib": "^1.0"
+    },
+    "suggest": {
+        "plesk/api-php-lib": "^1.0"
     },
     "autoload": {
         "psr-4": {