diff --git a/README.md b/README.md
index aae3bcdb..65d713e6 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,7 @@ For example:
 
 ## Requirements
 
+- Python>=3.6
 - numpy>=1.14.2
 - torch>=0.4.0
 - tensorboardX