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@@ -8,7 +8,7 @@ check the options and adjust them as you see fit.
 
 ### Requirements
 
-- PHP version 5.3 or above
+- PHP version 5.4 or above
 - _one_ of the following sources of cryptographically safe randomness is required:
   - PHP 7 or higher
   - [Libsodium](https://download.libsodium.org/libsodium/content/installation/) and it's [PHP extension](https://paragonie.com/book/pecl-libsodium/read/00-intro.md#installing-libsodium)