diff --git a/docs/source/conf.py b/docs/source/conf.py
index cb97c01d2a..d45c43b268 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -172,7 +172,7 @@
 # further.  For a list of options available for each theme, see the
 # documentation.
 html_theme_options = {
-    "announcement": '🚀 Join us in San Diego · JupyterCon 2025 · Nov 4-5 · <a href="https://events.linuxfoundation.org/jupytercon/program/schedule/?ajs_aid=53afb00d-be65-4a99-9112-28cdaac99463">SCHEDULE</a> · <a href="https://events.linuxfoundation.org/jupytercon/register/?ajs_aid=53afb00d-be65-4a99-9112-28cdaac99463">REGISTER NOW</a>',
+    "announcement": '🚀 Join us in San Diego · JupyterCon 2025 · Nov 4-5 · <a href="https://events.linuxfoundation.org/jupytercon/program/schedule/">SCHEDULE</a> · <a href="https://events.linuxfoundation.org/jupytercon/register/">REGISTER NOW</a>',
     "header_links_before_dropdown": 5,
     "icon_links": [
         {