diff --git a/libc/tools/generate_notice.py b/libc/tools/generate_notice.py
index e0e6b32..e4318b2 100755
--- a/libc/tools/generate_notice.py
+++ b/libc/tools/generate_notice.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Run with directory arguments from any directory, with no special setup
 # required.