diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f8f862879..e1482ea001 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,22 @@
 # Changelog
 
+## V1.6.0
+This release introduces the Serengeti upgrade.
+
+Features:
+* [#400](https://github.com/bnb-chain/greenfield-cosmos-sdk/pull/400) feat: add upgrade Serengeti
+
+
+## V1.5.0
+This release introduces the Pawnee upgrade.
+
+Features:
+* [#396](https://github.com/bnb-chain/greenfield-cosmos-sdk/pull/396) feat: introduce Pawnee upgrade
+
+BUGFIX
+* [#401](https://github.com/bnb-chain/greenfield-cosmos-sdk/pull/401) fix: sync failed from genesis
+
+
 ## V1.4.0
 This release introduces the Ural upgrade.
 
diff --git a/types/upgrade.go b/types/upgrade.go
index 93bbf1386e..64f93d0828 100644
--- a/types/upgrade.go
+++ b/types/upgrade.go
@@ -26,4 +26,7 @@ const (
 
 	// Serengeti is the upgrade name for Serengeti upgrade
 	Serengeti = "Serengeti"
+
+	// Erdos is the upgrade name for Erdos upgrade
+	Erdos = "Erdos"
 )
diff --git a/x/upgrade/types/upgrade_config.go b/x/upgrade/types/upgrade_config.go
index b61c72ab1d..9babe36ff5 100644
--- a/x/upgrade/types/upgrade_config.go
+++ b/x/upgrade/types/upgrade_config.go
@@ -32,6 +32,9 @@ const (
 
 	// Serengeti is the upgrade name for Serengeti upgrade
 	Serengeti = types.Serengeti
+
+	// Erdos is the upgrade name for Erdos upgrade
+	Erdos = types.Erdos
 )
 
 // The default upgrade config for networks
@@ -65,6 +68,10 @@ var (
 		Name:   Pawnee,
 		Height: 6239520,
 		Info:   "Pawnee hardfork",
+	}).SetPlan(&Plan{
+		Name:   Serengeti,
+		Height: 6863285,
+		Info:   "Serengeti hardfork",
 	})
 
 	TestnetChainID = "greenfield_5600-1"
@@ -96,6 +103,10 @@ var (
 		Name:   Pawnee,
 		Height: 6623127,
 		Info:   "Pawnee hardfork",
+	}).SetPlan(&Plan{
+		Name:   Serengeti,
+		Height: 7354695,
+		Info:   "Serengeti hardfork",
 	})
 )