diff --git a/go-api/milvuspb/milvus.pb.go b/go-api/milvuspb/milvus.pb.go
index 2b3e174..fc94442 100644
--- a/go-api/milvuspb/milvus.pb.go
+++ b/go-api/milvuspb/milvus.pb.go
@@ -8505,6 +8505,8 @@ type DropRoleRequest struct {
 	Base *commonpb.MsgBase `protobuf:"bytes,1,opt,name=base,proto3" json:"base,omitempty"`
 	// role name
 	RoleName string `protobuf:"bytes,2,opt,name=role_name,json=roleName,proto3" json:"role_name,omitempty"`
+	// force to drop the role even if there is permission binding
+	ForceDrop bool `protobuf:"varint,3,opt,name=force_drop,json=forceDrop,proto3" json:"force_drop,omitempty"`
 }
 
 func (x *DropRoleRequest) Reset() {
@@ -8553,6 +8555,13 @@ func (x *DropRoleRequest) GetRoleName() string {
 	return ""
 }
 
+func (x *DropRoleRequest) GetForceDrop() bool {
+	if x != nil {
+		return x.ForceDrop
+	}
+	return false
+}
+
 type OperateUserRoleRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -13570,13 +13579,15 @@ var file_milvus_proto_rawDesc = []byte{
 	0x76, 0x75, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73,
 	0x2e, 0x52, 0x6f, 0x6c, 0x65, 0x45, 0x6e, 0x74, 0x69, 0x74, 0x79, 0x52, 0x06, 0x65, 0x6e, 0x74,
 	0x69, 0x74, 0x79, 0x3a, 0x12, 0xca, 0x3e, 0x0f, 0x08, 0x01, 0x10, 0x13, 0x18, 0xff, 0xff, 0xff,
-	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x22, 0x74, 0x0a, 0x0f, 0x44, 0x72, 0x6f, 0x70, 0x52,
-	0x6f, 0x6c, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x30, 0x0a, 0x04, 0x62, 0x61,
-	0x73, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1c, 0x2e, 0x6d, 0x69, 0x6c, 0x76, 0x75,
-	0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x4d,
-	0x73, 0x67, 0x42, 0x61, 0x73, 0x65, 0x52, 0x04, 0x62, 0x61, 0x73, 0x65, 0x12, 0x1b, 0x0a, 0x09,
-	0x72, 0x6f, 0x6c, 0x65, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52,
-	0x08, 0x72, 0x6f, 0x6c, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x3a, 0x12, 0xca, 0x3e, 0x0f, 0x08, 0x01,
+	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x22, 0x93, 0x01, 0x0a, 0x0f, 0x44, 0x72, 0x6f, 0x70,
+	0x52, 0x6f, 0x6c, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x30, 0x0a, 0x04, 0x62,
+	0x61, 0x73, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1c, 0x2e, 0x6d, 0x69, 0x6c, 0x76,
+	0x75, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e,
+	0x4d, 0x73, 0x67, 0x42, 0x61, 0x73, 0x65, 0x52, 0x04, 0x62, 0x61, 0x73, 0x65, 0x12, 0x1b, 0x0a,
+	0x09, 0x72, 0x6f, 0x6c, 0x65, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x08, 0x72, 0x6f, 0x6c, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1d, 0x0a, 0x0a, 0x66, 0x6f,
+	0x72, 0x63, 0x65, 0x5f, 0x64, 0x72, 0x6f, 0x70, 0x18, 0x03, 0x20, 0x01, 0x28, 0x08, 0x52, 0x09,
+	0x66, 0x6f, 0x72, 0x63, 0x65, 0x44, 0x72, 0x6f, 0x70, 0x3a, 0x12, 0xca, 0x3e, 0x0f, 0x08, 0x01,
 	0x10, 0x15, 0x18, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x22, 0xd5, 0x01,
 	0x0a, 0x16, 0x4f, 0x70, 0x65, 0x72, 0x61, 0x74, 0x65, 0x55, 0x73, 0x65, 0x72, 0x52, 0x6f, 0x6c,
 	0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x30, 0x0a, 0x04, 0x62, 0x61, 0x73, 0x65,
@@ -13767,7 +13778,7 @@ var file_milvus_proto_rawDesc = []byte{
 	0x6e, 0x61, 0x6d, 0x65, 0x73, 0x18, 0x03, 0x20, 0x03, 0x28, 0x09, 0x52, 0x0e, 0x70, 0x61, 0x72,
 	0x74, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x4e, 0x61, 0x6d, 0x65, 0x73, 0x12, 0x17, 0x0a, 0x07, 0x64,
 	0x62, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x64, 0x62,
-	0x4e, 0x61, 0x6d, 0x65, 0x3a, 0x07, 0xca, 0x3e, 0x04, 0x10, 0x05, 0x18, 0x02, 0x22, 0x98, 0x01,
+	0x4e, 0x61, 0x6d, 0x65, 0x3a, 0x07, 0xca, 0x3e, 0x04, 0x10, 0x21, 0x18, 0x02, 0x22, 0x98, 0x01,
 	0x0a, 0x1a, 0x47, 0x65, 0x74, 0x4c, 0x6f, 0x61, 0x64, 0x69, 0x6e, 0x67, 0x50, 0x72, 0x6f, 0x67,
 	0x72, 0x65, 0x73, 0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x33, 0x0a, 0x06,
 	0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1b, 0x2e, 0x6d,
@@ -13789,7 +13800,7 @@ var file_milvus_proto_rawDesc = []byte{
 	0x20, 0x03, 0x28, 0x09, 0x52, 0x0e, 0x70, 0x61, 0x72, 0x74, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x4e,
 	0x61, 0x6d, 0x65, 0x73, 0x12, 0x17, 0x0a, 0x07, 0x64, 0x62, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18,
 	0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x64, 0x62, 0x4e, 0x61, 0x6d, 0x65, 0x3a, 0x07, 0xca,
-	0x3e, 0x04, 0x10, 0x05, 0x18, 0x02, 0x22, 0x81, 0x01, 0x0a, 0x14, 0x47, 0x65, 0x74, 0x4c, 0x6f,
+	0x3e, 0x04, 0x10, 0x21, 0x18, 0x02, 0x22, 0x81, 0x01, 0x0a, 0x14, 0x47, 0x65, 0x74, 0x4c, 0x6f,
 	0x61, 0x64, 0x53, 0x74, 0x61, 0x74, 0x65, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12,
 	0x33, 0x0a, 0x06, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32,
 	0x1b, 0x2e, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x63,
diff --git a/proto/milvus.proto b/proto/milvus.proto
index c9c7ac3..aa56f0b 100644
--- a/proto/milvus.proto
+++ b/proto/milvus.proto
@@ -1433,6 +1433,8 @@ message DropRoleRequest {
   common.MsgBase base = 1;
   // role name
   string role_name = 2;
+  // force to drop the role even if there is permission binding
+  bool force_drop = 3;
 }
 
 enum OperateUserRoleType {