diff --git a/CHANGELOG.md b/CHANGELOG.md
index ea604b7411..7bbf1c8405 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,8 @@
 - Added support for tokens that aren't fully compatible with ERC20. [c088328](https://github.com/matter-labs/zksync/commit/c088328)
 - Block revert interval is changed to 0 hours. [c088328](https://github.com/matter-labs/zksync/commit/c088328)
 - Redundant priority request check is removed from contract upgrade logic. [c088328](https://github.com/matter-labs/zksync/commit/c088328)
+- `PRIORITY_EXPRIRATION_PERIOD` is reduced to 3 days. [c12ab40](https://github.com/matter-labs/zksync/commit/c12ab40)
+- `UPGRADE_NOTICE_PERIOD` is increased to 8 days. [c12ab40](https://github.com/matter-labs/zksync/commit/c12ab40)
 
 
 ## zkSync 1.0 (18.06.2020)