diff --git a/CHANGELOG.md b/CHANGELOG.md
index c5ecbb7..ba2461d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 nylas-python Changelog
 ======================
 
+# Unreleased
+----------------
+* Fixed attachment download response handling
+
 v6.4.0
 ----------------
 * Add support for from field for sending messages