diff --git a/docs/cugraph/source/conf.py b/docs/cugraph/source/conf.py
index 99f789c948f..ac4ab5e5d09 100644
--- a/docs/cugraph/source/conf.py
+++ b/docs/cugraph/source/conf.py
@@ -213,7 +213,7 @@
 
 def setup(app):
     app.add_css_file("https://docs.rapids.ai/assets/css/custom.css")
-    app.add_js_file("https://docs.rapids.ai/assets/js/custom.js")
+    app.add_js_file("https://docs.rapids.ai/assets/js/custom.js", loading_method="defer")
     app.add_css_file("references.css")