diff --git a/CHANGELOG.md b/CHANGELOG.md
index b694529..7c13338 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Unreleased / tbd
+
+* [ENHANCEMENT] Update the Prometheus client library to 0.9.2 ([#171](https://github.com/prometheus/statsd_exporter/pull/171))
+
 ## v0.8.1 / 2018-12-05
 
 * [BUGFIX] Expose the counter for unmapped matches ([#161](https://github.com/prometheus/statsd_exporter/pull/161))