diff --git a/CHANGELOG.md b/CHANGELOG.md
index c15273f57..c45b85c1f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 * postprocessor/atlas: Disallow pushing vagrant.box artifacts now that Vagrant cloud is live. [GH-4780]
 * builder/cloudstack: Add support for using a HTTP server. [GH-5017]
 * builder/cloudstack: Make expunge optional and improve logging output. [GH-5099]
+* builder/cloudstack: Allow reading api_url, api_key, and secret_key from env vars. [GH-5124]
 * builder/googlecompute: Allow using URL's for network and subnetwork. [GH-5035]
 
 ### BUG FIXES: