Update README.md

dvnkshl · web-flow · commit 8301693c362c · 2016-11-18T18:43:07.000-08:00
diff --git a/README.md b/README.md
@@ -4,4 +4,4 @@ PHP client library for Commerce.js by Chec
 You can sign up for a Chec/Commerce.js account at https://commercejs.com.
 
 ## Requirements
-PHP 5.3.3 and later.
+PHP 5.4 and later.
