diff --git a/client_test.go b/client_test.go
index 14e21bb..8c39ab5 100644
--- a/client_test.go
+++ b/client_test.go
@@ -9,6 +9,7 @@ import (
 
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/status"
 	"google.golang.org/protobuf/types/known/timestamppb"
@@ -24,7 +25,7 @@ func TestClient_NoServer(t *testing.T) {
 	c := grpcsteps.NewClient(
 		grpcsteps.RegisterServiceFromInstance("NoServer",
 			(*grpctest.ItemServiceServer)(nil),
-			grpcsteps.WithDialOption(grpc.WithInsecure()),
+			grpcsteps.WithDialOption(grpc.WithTransportCredentials(insecure.NewCredentials())),
 		),
 	)
 
@@ -315,7 +316,7 @@ func runClientTest(t *testing.T, scenario string, opts ...testSrv.ServiceOption)
 	c := grpcsteps.NewClient(
 		grpcsteps.WithDefaultServiceOptions(
 			grpcsteps.WithDialOptions(
-				grpc.WithInsecure(),
+				grpc.WithTransportCredentials(insecure.NewCredentials()),
 				grpc.WithContextDialer(dialer),
 			),
 		),
diff --git a/go.mod b/go.mod
index ba330b0..f6bec46 100644
--- a/go.mod
+++ b/go.mod
@@ -5,10 +5,10 @@ go 1.17
 require (
 	github.com/cucumber/godog v0.12.2
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
-	github.com/nhatthm/grpcmock v0.15.0
+	github.com/nhatthm/grpcmock v0.16.0
 	github.com/stretchr/testify v1.7.0
 	github.com/swaggest/assertjson v1.6.8
-	google.golang.org/grpc v1.42.0
+	google.golang.org/grpc v1.43.0
 	google.golang.org/protobuf v1.27.1
 )
 
@@ -30,8 +30,8 @@ require (
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/yudai/gojsondiff v1.0.0 // indirect
 	github.com/yudai/golcs v0.0.0-20170316035057-ecda9a501e82 // indirect
-	golang.org/x/net v0.0.0-20211209124913-491a49abca63 // indirect
-	golang.org/x/sys v0.0.0-20211213223007-03aa0b5f6827 // indirect
+	golang.org/x/net v0.0.0-20211216030914-fe4d6282115f // indirect
+	golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e // indirect
 	golang.org/x/text v0.3.7 // indirect
 	google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
diff --git a/go.sum b/go.sum
index c4b9766..fef7d29 100644
--- a/go.sum
+++ b/go.sum
@@ -207,8 +207,8 @@ github.com/nhatthm/aferomock v0.3.1 h1:L6oGPOdm+GoJ0HDoo2XZpVq++JieZs5PBUdM/8hO8
 github.com/nhatthm/aferomock v0.3.1/go.mod h1:mev14Kms7DBCX/djc5zmf57EgLgmA6k2654EzvRq1vM=
 github.com/nhatthm/go-matcher v1.3.1 h1:UQ3TuoYEzt7CBad94cOCgJ07jQO54KUWXqNbFUhlT54=
 github.com/nhatthm/go-matcher v1.3.1/go.mod h1:tkXI3EdQrowQ2I9CZMmC7wJYqGqMWhb4hv4YdVpuKCo=
-github.com/nhatthm/grpcmock v0.15.0 h1:FT5n44stAKhni1UXBLtJbppNuCc86F+aSGJRPGctMO4=
-github.com/nhatthm/grpcmock v0.15.0/go.mod h1:CCFlMGRJI5z/4Eh/+0gpSHnuLJKwd+7oRqz9i/0EyoM=
+github.com/nhatthm/grpcmock v0.16.0 h1:eZ8rNjFmoz8s/Au2tHb4NE2t6vstbXqodU5ZrxRN8yc=
+github.com/nhatthm/grpcmock v0.16.0/go.mod h1:CbzX1H99I+2BA7ua2fgUUl3rAD+W1YCcuw7VSQhECjk=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
 github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=
@@ -349,8 +349,8 @@ golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81R
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
-golang.org/x/net v0.0.0-20211209124913-491a49abca63 h1:iocB37TsdFuN6IBRZ+ry36wrkoV51/tl5vOWqkcPGvY=
-golang.org/x/net v0.0.0-20211209124913-491a49abca63/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/net v0.0.0-20211216030914-fe4d6282115f h1:hEYJvxw1lSnWIl8X9ofsYMklzaDs90JI2az5YMd4fPM=
+golang.org/x/net v0.0.0-20211216030914-fe4d6282115f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -389,9 +389,8 @@ golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20211210111614-af8b64212486/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20211213223007-03aa0b5f6827 h1:A0Qkn7Z/n8zC1xd9LTw17AiKlBRK64tw3ejWQiEqca0=
-golang.org/x/sys v0.0.0-20211213223007-03aa0b5f6827/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e h1:fLOSk5Q00efkSvAm+4xcoXD+RRmLmmulPn5I3Y9F2EM=
+golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -463,8 +462,8 @@ google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3Iji
 google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
 google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
-google.golang.org/grpc v1.42.0 h1:XT2/MFpuPFsEX2fWh3YQtHkZ+WYZFQRfaUgLZYj/p6A=
-google.golang.org/grpc v1.42.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
+google.golang.org/grpc v1.43.0 h1:Eeu7bZtDZ2DpRCsLhUlcrLnvYaMK1Gz86a+hMVvELmM=
+google.golang.org/grpc v1.43.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
diff --git a/server_test.go b/server_test.go
index 4429a77..b1cbe54 100644
--- a/server_test.go
+++ b/server_test.go
@@ -9,6 +9,7 @@ import (
 	"github.com/nhatthm/grpcmock"
 	"github.com/stretchr/testify/assert"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/test/bufconn"
 
 	"github.com/godogx/grpcsteps"
@@ -201,7 +202,7 @@ func runServerTest(
 	c := grpcsteps.NewClient(
 		grpcsteps.WithDefaultServiceOptions(
 			grpcsteps.WithDialOptions(
-				grpc.WithInsecure(),
+				grpc.WithTransportCredentials(insecure.NewCredentials()),
 				grpc.WithContextDialer(func(context.Context, string) (net.Conn, error) {
 					return buf.Dial()
 				}),