diff --git a/conferences/iui.yml b/conferences/iui.yml
index 2130acf..a5266d4 100644
--- a/conferences/iui.yml
+++ b/conferences/iui.yml
@@ -3,6 +3,7 @@
   id: iui25
   link: https://iui.acm.org/2025/call_for_papers.html
   deadline: '2024-10-09 23:59:59'
+  abstract_deadline: '2024-10-02 23:59:59'
   timezone: UTC-12
   place: Cagliari, Italy
   date: March 24-27, 2025