diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62c0b06..635873e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
### Backend
- Fix KBO statuses not being displayed [OP-3584]
- datafix: update NIS2019 end dates and link additional NIS2025 to werkingsgebieden [part of OP-3566]
+- datafix: correct date of change event of ckb olen [OP-3594]
### Deploy Notes
```
drc restart migrations; drc logs -ft --tail=200 migrations
diff --git a/config/migrations/2025/20250430144720-update-date-change-event-ckb-olen.sparql b/config/migrations/2025/20250430144720-update-date-change-event-ckb-olen.sparql
new file mode 100644
index 0000000..33ed625
--- /dev/null
+++ b/config/migrations/2025/20250430144720-update-date-change-event-ckb-olen.sparql
@@ -0,0 +1,15 @@
+PREFIX dct:
+
+DELETE {
+ GRAPH ?g {
+ dct:date ?oldDate .
+ }
+} INSERT {
+ GRAPH ?g {
+ dct:date "2023-11-30"^^xsd:date .
+ }
+} WHERE {
+ GRAPH ?g {
+ dct:date ?oldDate .
+ }
+}