diff --git a/README.md b/README.md
index aa418e4f..fdd20df7 100644
--- a/README.md
+++ b/README.md
@@ -8,8 +8,8 @@ Please visit https://engelsystem.de for a feature list.
 ## Installation
 
 ### Requirements:
- * PHP 5.4.x (cgi-fcgi)
- * MySQL-Server 5.5.x
+ * PHP >= 5.6.4, PHP >= 7.0.0 recommended
+ * MySQL-Server >= 5.5.x
  * Webserver, i.e. lighttpd, nginx, or Apache
 
 ### Directions:
diff --git a/composer.json b/composer.json
index 0605bcf3..d2e0108b 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
         }
     ],
     "require": {
-        "php": ">=5.4",
+        "php": ">=5.6.4",
         "erusev/parsedown": "1.6.*",
         "twbs/bootstrap": "^3.3"
     },