diff --git a/CHANGELOG.md b/CHANGELOG.md
index 141ef422c..358b3a195 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## V1.9.0
+This release introduces the Mongolian upgrade
+
 ## V1.8.0
 This release introduces the Veld upgrade
 
diff --git a/x/upgrade/types/upgrade_config.go b/x/upgrade/types/upgrade_config.go
index 71c1adc56..b75d8abaf 100644
--- a/x/upgrade/types/upgrade_config.go
+++ b/x/upgrade/types/upgrade_config.go
@@ -87,9 +87,9 @@ var (
 		Height: 9269910,
 		Info:   "Veld hardfork",
 	}).SetPlan(&Plan{
-		Name: Mongolian,
-		// todo: height
-		Info: "Mongolian hardfork",
+		Name:   Mongolian,
+		Height: 10314605,
+		Info:   "Mongolian hardfork",
 	})
 
 	TestnetChainID = "greenfield_5600-1"
@@ -134,9 +134,9 @@ var (
 		Height: 9581218,
 		Info:   "Veld hardfork",
 	}).SetPlan(&Plan{
-		Name: Mongolian,
-		// todo: height
-		Info: "Mongolian hardfork",
+		Name:   Mongolian,
+		Height: 10780238,
+		Info:   "Mongolian hardfork",
 	})
 )