diff --git a/CHANGELOG.md b/CHANGELOG.md
index ffc43187..d0adbb76 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@
 
 - **aiken-lang**: ChooseUnit builtin uses a more efficient way of handling the
   first arg (unit) by just assigning to lambda
+- **aiken-lang**: Added some optimization tests
+- **aiken-lang**: Added an Aiken to uplc conversion tests on validators
+- **aiken-lang**: Added some uplc builder functions for builtin creation
 
 ### Fixed