diff --git a/CHANGELOG.md b/CHANGELOG.md
index b1edde4..4ad3631 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,8 +2,14 @@
 
 ### Feat
 
+- `getDefaultEffectiveCanisterId` method in `PocketIc` class (#209)
+- switch to `Uint8Array` for all buffers (#202)
 - bump PocketIC server to v11.0.0 (#196)
 
+### Fix
+
+- use bigint for `addCycles` and `getCyclesBalance` (#208)
+
 ## 0.16.1 (2025-09-22)
 
 ### Fix