diff --git a/shyaml.py b/shyaml.py
index 93c2f0d..9cb528d 100755
--- a/shyaml.py
+++ b/shyaml.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """
 YAML for command line.
 """