diff --git a/x/protocol/types/params.go b/x/protocol/types/params.go
index 3bb2ddb633..435bb00d46 100644
--- a/x/protocol/types/params.go
+++ b/x/protocol/types/params.go
@@ -12,8 +12,8 @@ import (
 var _ paramtypes.ParamSet = (*Params)(nil)
 
 const (
-	TARGET_VERSION = "4.2.7"
-	MIN_VERSION    = "3.1.0"
+	TARGET_VERSION = "4.2.8"
+	MIN_VERSION    = "4.2.1"
 )
 
 var (