diff --git a/CHANGELOG.md b/CHANGELOG.md
index fbe046dd..e8beb1b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## 3.6.1
 
 - use `either` compatibility library instead of shims
+- make `CCSeq.to_array` only traverse the sequence once
 
 ## 3.6