diff --git a/composer.json b/composer.json
index b10b1d0..1dfea98 100755
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
 		"source": "https://github.com/webmasterskaya/crypto-pro-php-stubs"
 	},
 	"require": {
-		"php": ">=7"
+		"php": ">7.2 <8.0"
 	},
 	"autoload-dev": {
 		"psr-4": {