diff --git a/_pages/events.md b/_pages/events.md
index 2153ce0..18664a3 100755
--- a/_pages/events.md
+++ b/_pages/events.md
@@ -12,7 +12,7 @@ Want to join us at an event, discuss opportunities or projects around the MISP p
 
 ### MISP hackathon
 
-(to be announced)
+- [Open Source Security Hackathon](https://www.misp-project.org/hackathon/) - pen Source Security hackathon - Monday 25th October 2021 and Tuesday 26th October 2021
 
 ### MISP at conferences