diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5a4b338..9f6a8269 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@
 
 ### Changed
 
+- **uplc**: Fix costing of integerToByteString/byteStringToInteger builtins.
 - **aiken-lang**: Fix data-type reification from `Void`; somehow missing from known definition :facepalm:. @KtorZ
 
 ### Removed