diff --git a/d4-golang-utils_test.go b/config/d4-golang-utils_test.go
similarity index 90%
rename from d4-golang-utils_test.go
rename to config/d4-golang-utils_test.go
index 69bb960..d275093 100644
--- a/d4-golang-utils_test.go
+++ b/config/d4-golang-utils_test.go
@@ -1,9 +1,7 @@
-package main
+package config
 
 import (
 	"testing"
-
-	config "github.com/D4-project/d4-golang-utils/config"
 )
 
 var testCases = []struct {
@@ -29,7 +27,7 @@ var testCases = []struct {
 func TestIsNet(t *testing.T) {
 	for _, tc := range testCases {
 		t.Run(tc.name, func(t *testing.T) {
-			b, _ := config.IsNet(tc.str)
+			b, _ := IsNet(tc.str)
 			if b != tc.expected {
 				t.Fail()
 			}
diff --git a/go.mod b/go.mod
index 01a4ed6..a358993 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,7 @@ module github.com/D4-project/d4-golang-utils
 
 go 1.12
 
-require github.com/gofrs/uuid v3.2.0+incompatible
+require (
+	github.com/gofrs/uuid v3.2.0+incompatible
+	github.com/gomodule/redigo v2.0.0+incompatible
+)
diff --git a/go.sum b/go.sum
index f27a074..445b960 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,4 @@
 github.com/gofrs/uuid v3.2.0+incompatible h1:y12jRkkFxsd7GpqdSZ+/KCs/fJbqpEXSGd4+jfEaewE=
 github.com/gofrs/uuid v3.2.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
+github.com/gomodule/redigo v2.0.0+incompatible h1:K/R+8tc58AaqLkqG2Ol3Qk+DR/TlNuhuh457pBFPtt0=
+github.com/gomodule/redigo v2.0.0+incompatible/go.mod h1:B4C85qUVwatsJoIUNIfCRsp7qO0iAmpGFZ4EELWSbC4=