diff --git a/README.rst b/README.rst
index e7472654..7204806a 100644
--- a/README.rst
+++ b/README.rst
@@ -77,7 +77,7 @@ Requirements
 
 * Web server
 * MySQL database
-* For PHP5: 5.5.9+
+* For PHP5: 5.6.0+
 * For PHP7: 7.0.8+
 * PHP cURL package
 * PHP PDO mysql driver