diff --git a/scripts/replace-content.py b/scripts/replace-content.py
index 4699ccca..a20acaa8 100755
--- a/scripts/replace-content.py
+++ b/scripts/replace-content.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Replace text in a file given a key identifying a block to replace.
 # If the file doesn't exist, create it.