diff --git a/devscripts/gh-pages/sign-versions.py b/devscripts/gh-pages/sign-versions.py
index 00cecce0c..8a824df56 100755
--- a/devscripts/gh-pages/sign-versions.py
+++ b/devscripts/gh-pages/sign-versions.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import rsa
 import json