diff --git a/CHANGELOG.md b/CHANGELOG.md
index 578ab3f4..66e4408b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## Unreleased
 
+### Feat
+
+- **ic-http-certification**: add upgrade property to HttpResponse struct
+
 ### Fix
 
 - **ic-certification-testing**: remove unnecessary CertificationTestError conversion