diff --git a/CHANGELOG.md b/CHANGELOG.md
index b96a75a..74d85dd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,11 @@
 Changes by Version
 ==================
 
-1.4.1 (unreleased)
+1.5.0 (2018-05-11)
 ------------------
 
-- Nothing yet.
+- Change default metrics namespace separator from colon to underscore (#43) <Juraci Paixão Kröhling>
+- Use an interface to be compatible with Prometheus 0.9.x (#42) <Pavel Nikolov>
 
 
 1.4.0 (2018-03-05)