diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4bb9e066..e773e8af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@
 
 - **aiken-lang**: Prevent mutual recursion caused by conflicting function names for generic expect type
 - **aiken-lang**: UPLC evaluation of large integers literals (> max u64)
+- **aiken-lang**: Parsing of error / todo keywords in when cases
+- **aiken-lang**: Parsing of negative integer patterns and constants
 
 ### Changed