diff --git a/README.md b/README.md
index fbe85fee..56148ec6 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,8 @@
 
 ## Installation
 
+**NOTE**: Python 3.6 is required.
+
 ```bash
 # clone the repo
 $ git clone https://github.com/sdushantha/sherlock.git