diff --git a/docs/conf.py b/docs/conf.py
index 0fba3126f..02e83f4c0 100755
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -207,6 +207,7 @@
             "type": "fontawesome",
         }
     ],
+    "announcement": "Join the Parcels 10 year anniversary event 🎉 on 1-3 Oct 2025! See <a href='https://oceanparcels.org/10year-event'>our website</a> for details.",
 }
 
 html_context = {