diff --git a/README.md b/README.md
index e52d465..c6788a4 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,12 @@ Comptatible with AppOrder.
 
 You like this app and you want to support me? [Buy me a coffee](https://www.buymeacoffee.com/deblan) ☕
 
+Requirements
+------------
+
+* PHP >= 7.3
+* App `theming` enabled
+
 Installation and upgrade
 ------------------------
 
diff --git a/appinfo/info.xml b/appinfo/info.xml
index 111193c..775157c 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -15,6 +15,11 @@ Comptatible with AppOrder.
 
 You can report a bug or request a feature by opening an issue.
 
+Requirements:
+
+* PHP >= 7.3
+* App `theming` enabled
+
 If you like this application and want to support the development:
 
 * ☕ [Buy me a coffee](https://www.buymeacoffee.com/deblan)