diff --git a/README.markdown b/README.markdown
index 5e19704..2e3de81 100644
--- a/README.markdown
+++ b/README.markdown
@@ -13,7 +13,7 @@ A `.env` file parsing and loading library for PHP.
 
 ## Requirements
 
-* PHP 7.0+
+* PHP 5.3+
 
 ## Installation