diff --git a/CHANGELOG.md b/CHANGELOG.md
index 805bb19..bd0f29a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Unreleased / ????-??-??
+
+* [IMPROVEMENT] Add a drop action (#115)
+
 ## v0.5.0 / 2017-11-16
 
 NOTE: This release breaks backward compatibility. `statsd_exporter` now uses