diff --git a/CHANGELOG.md b/CHANGELOG.md
index 908bb4dc6f..1d6945a352 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## v1.2.2
+This release introduce the Manchurian upgrade to the mainnet.
+
+Features:
+* [#385](https://github.com/bnb-chain/greenfield/pull/385) feat: introduce the Manchurian upgrade to the mainnet
+
 ## v1.2.1
 This release changes the Manchurian upgrade height of testnet.
 
diff --git a/x/upgrade/types/upgrade_config.go b/x/upgrade/types/upgrade_config.go
index 744866a7e0..5ea39b46d1 100644
--- a/x/upgrade/types/upgrade_config.go
+++ b/x/upgrade/types/upgrade_config.go
@@ -31,6 +31,10 @@ var (
 		Name:   Pampas,
 		Height: 2006197,
 		Info:   "Pampas hardfork",
+	}).SetPlan(&Plan{
+		Name:   Manchurian,
+		Height: 3426973,
+		Info:   "Manchurian hardfork",
 	})
 
 	TestnetChainID = "greenfield_5600-1"