diff --git a/README.md b/README.md
index f445ef8..96c1933 100644
--- a/README.md
+++ b/README.md
@@ -5,5 +5,5 @@ PHP Client for [IntaroCRM REST API](http://docs.intarocrm.ru/rest-api/).
 
 Requirements:
 
-* PHP version 5.3 and above
+* PHP version 5.2 and above
 * PHP-extension CURL