diff --git a/README.md b/README.md
index a2558f6..9a21009 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@ Clone this repository to `hexo` root folder.
 
 # Python references
 
+* python3.x
 * tinify
 * requests
 * hashlib