diff --git a/README.md b/README.md
index 9da695f..7262dcd 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,10 @@
 # LDAP Lookup
 =================
-LDAP lookup is a simple LDAP entries lookup provider for use with in Laravel 5
+LDAP lookup is a simple LDAP entries lookup provider for use with in Laravel 5.1 LTS
 
 ## Installation
 
-The tool requires you have [PHP](https://php.net) 5.4.*+ and [Composer](https://getcomposer.org).
+The tool requires you have [PHP](https://php.net) 5.5.9+ and [Composer](https://getcomposer.org).
 
 The get the latest version of LDAP lookup, add the following line to your `composer.json` file:
 ```
diff --git a/composer.json b/composer.json
index b230aa9..711a59c 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "php": ">=5.4.0",
+        "php": ">=5.5.9",
         "illuminate/contracts": "5.1.*",
         "illuminate/support": "5.1.*"