diff --git a/docs/conf.py b/docs/conf.py
index d34318100..a0a3315c6 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -289,4 +289,4 @@ texinfo_documents = [
 
 
 def setup(app):
-    app.add_javascript("js/script.js")
+    app.add_js_file("js/script.js")