diff --git a/docs/requirements.rst b/docs/requirements.rst
index 636dde40..0a0f9838 100644
--- a/docs/requirements.rst
+++ b/docs/requirements.rst
@@ -5,7 +5,7 @@ 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