diff --git a/docs/Changelog.md b/docs/Changelog.md
index 08e665690f8..7e104f9648c 100644
--- a/docs/Changelog.md
+++ b/docs/Changelog.md
@@ -91,6 +91,7 @@
 - Update GtfsRealtime and include severity, effect and cause from GTFS RT [#3747](https://github.com/opentripplanner/OpenTripPlanner/pull/3747)
 - Handle miscellaneous service as BUS instead of crashing build [#3755](https://github.com/opentripplanner/OpenTripPlanner/pull/3755)
 - Update all timers to micrometer instances [#3744](https://github.com/opentripplanner/OpenTripPlanner/pull/3744)
+- Bugfix: ClassCastException when planning flex routes [#3762](https://github.com/opentripplanner/OpenTripPlanner/pull/3762)
 [](AUTOMATIC_CHANGELOG_PLACEHOLDER_DO_NOT_REMOVE)