diff --git a/ipykernel/ipkernel.py b/ipykernel/ipkernel.py
index 215129063..7ce9cc013 100644
--- a/ipykernel/ipkernel.py
+++ b/ipykernel/ipkernel.py
@@ -178,7 +178,7 @@ def __init__(self, **kwargs):
             },
             {
                 "text": "IPython Reference",
-                "url": "https://ipython.org/documentation.html",
+                "url": "https://ipython.readthedocs.io/en/stable/",
             },
             {
                 "text": "NumPy Reference",