diff --git a/events.json b/events.json
index c1139a1..54ab462 100644
--- a/events.json
+++ b/events.json
@@ -48,6 +48,10 @@
             }
         ],
         "achievements": [
+            {
+                "title": "Komunumo: add participant count to event detail page",
+                "url": "https://github.com/McPringle/komunumo/commit/374ab31fef9941a8fedb7eaa6835c7eebab96703"
+            },
             {
                 "title": "Evaluate templates in missing assembler properties",
                 "url": "https://github.com/jreleaser/jreleaser/issues/2020"