diff --git a/CHANGELOG.md b/CHANGELOG.md
index 34dd319ae..70912559f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -35,7 +35,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 # Change log
 
-## [v6.0.0-rc0]
+## [v6.0.0]
 
 ### Features
 
diff --git a/cmd/doctor.go b/cmd/doctor.go
index 868b3aa65..4a147b5af 100644
--- a/cmd/doctor.go
+++ b/cmd/doctor.go
@@ -289,6 +289,8 @@ func checkBlockchainData(bc blockchain, genesisId, privValidatorKeyFile string)
 			fmt.Printf("%sVersion: v3\n", SPACE)
 		} else if blockHeight < fxtypes.MainnetBlockHeightV5 {
 			fmt.Printf("%sVersion: V4\n", SPACE)
+		} else if blockHeight < fxtypes.MainnetBlockHeightV6 {
+			fmt.Printf("%sVersion: V5\n", SPACE)
 		}
 	}
 	if chainId == fxtypes.TestnetChainId {
diff --git a/server/start.go b/server/start.go
index adc4ff0a0..c3a83a134 100644
--- a/server/start.go
+++ b/server/start.go
@@ -664,7 +664,10 @@ func checkMainnetAndBlock(genesisDoc *tmtypes.GenesisDoc, config *tmcfg.Config)
 			return errors.New("invalid version: The current block height is less than the v5.0.0 upgrade height(11_601_700)," +
 				" please use the v4.x.x version to synchronize the block or download the latest snapshot")
 		}
-		return errors.New("invalid version: The current version is not released, please use the corresponding version")
+		if blockStore.Height() < fxtypes.MainnetBlockHeightV6 {
+			return errors.New("invalid version: The current block height is less than the v6.0.0 upgrade height(13_598_000)," +
+				" please use the v5.x.x version to synchronize the block or download the latest snapshot")
+		}
 	}
 	return nil
 }
diff --git a/types/version.go b/types/version.go
index 33d1a92a7..0327a6301 100644
--- a/types/version.go
+++ b/types/version.go
@@ -18,6 +18,7 @@ const (
 	MainnetBlockHeightV3 = 8_756_000
 	MainnetBlockHeightV4 = 10_477_500
 	MainnetBlockHeightV5 = 11_601_700
+	MainnetBlockHeightV6 = 13_598_000
 )
 
 // testnet