diff --git a/CHANGELOG.md b/CHANGELOG.md
index 966b9c28e2..5632c5fec1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -51,6 +51,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (x/foundation) [\#922](https://github.com/line/lbm-sdk/pull/922) Propagate events in x/foundation through sdk.Results
 * (x/foundation) [\#946](https://github.com/line/lbm-sdk/pull/946) Fix broken x/foundation invariant on treasury
 * (x/foundation) [\#947](https://github.com/line/lbm-sdk/pull/947) Unpack proposals in x/foundation import-genesis
+* (x/collection) [\#955](https://github.com/line/lbm-sdk/pull/955) Return nil where the parent not exists in x/collection Query/Parent
 
 ### Removed