diff --git a/README.md b/README.md
index 66e3a04..3503d28 100644
--- a/README.md
+++ b/README.md
@@ -210,7 +210,7 @@ More info about Nagios Range format and Units of Measure can be found at [https:
 
 ### Requirements
 
-* Python 3
+* Python 3.6+
 
 ### Configuration