diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8b99530dcb..7847fcdb57 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,11 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## [Unreleased](https://github.com/o1-labs/o1js/compare/4a17de857...HEAD)
 
+### Added
+
+- `Permissions.VerificationKey`, a namespace for verification key permissions https://github.com/o1-labs/o1js/pull/1639
+  - Includes more accurate names for the `impossible` and `proof` permissions for verification keys, which are now called `impossibleDuringCurrentVersion` and `proofDuringCurrentVersion` respectively.
+
 ### Fixes
 
 - Fix absolute imports which prevented compilation in some TS projects that used o1js https://github.com/o1-labs/o1js/pull/1628