diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a8f962b4..ecb95ee2e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## (Unreleased)
 
+IMPROVEMENTS:
+
+  * builder/cloudstack: Support reusing an already associated public IP [GH-4149]
+
 ## 0.12.0 (November 15, 2016)
 
 FEATURES: