diff --git a/CHANGELOG.md b/CHANGELOG.md
index bc53c4220e..87f78b31e9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -36,6 +36,7 @@ v1.6.0 [2018-07-05]
 -	[#9959](https://github.com/influxdata/influxdb/pull/9959): Improve the number of regex patterns that are optimized to static OR conditions.
 -	[#10044](https://github.com/influxdata/influxdb/pull/10044): Implement bitset iterator.
 -	[#10102](https://github.com/influxdata/influxdb/pull/10102): Remove max concurrent compaction limit.
+-	[#10122](https://github.com/influxdata/influxdb/pull/10122): Add roaring bitmaps to TSI index files.
 
 ### Bugfixes