diff --git a/dbinterface.go b/dbinterface.go
index 7185806..c244a0c 100644
--- a/dbinterface.go
+++ b/dbinterface.go
@@ -5,9 +5,13 @@ import (
 	"gopkg.in/mgo.v2/bson"
 )
 
+type Connection interface {
+	Close()
+	NewSession() Session
+}
+
 type Session interface {
 	Close()
-	Copy() Session
 	DB(name string) Database
 }
 
diff --git a/go.mod b/go.mod
index 7548007..bef1144 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module gitbase.de/gopackage/mgoapi/v2
 go 1.16
 
 require (
-	gitbase.de/gopackage/mgocrud/v2 v2.0.5
+	gitbase.de/gopackage/mgocrud/v2 v2.0.8
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/gin-gonic/gin v1.6.3
 	gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22
diff --git a/go.sum b/go.sum
index 21f6b56..cd10766 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-gitbase.de/gopackage/mgocrud/v2 v2.0.5 h1:sgRJXw0ZvNDtsjmIhNDoe/8pO0Bed313aXFX6SlW6fQ=
-gitbase.de/gopackage/mgocrud/v2 v2.0.5/go.mod h1:eAIqxjo60/nP/S+YA25SBLQZ98WUrHwpvjE7Zl+ewTM=
+gitbase.de/gopackage/mgocrud/v2 v2.0.8 h1:129q3/5c4kFB0WnVZZXd+jhpR5FYjYjzmcoZxLPPjiY=
+gitbase.de/gopackage/mgocrud/v2 v2.0.8/go.mod h1:eAIqxjo60/nP/S+YA25SBLQZ98WUrHwpvjE7Zl+ewTM=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
diff --git a/handler.go b/handler.go
index a604144..acc12b8 100644
--- a/handler.go
+++ b/handler.go
@@ -15,7 +15,7 @@ import (
 func (api *API) collectionGetOneHandler(m mgocrud.ModelInterface) gin.HandlerFunc {
 	return func(c *gin.Context) {
 
-		session := api.DBSession.Copy()
+		session := api.DBConnection.NewSession()
 		defer session.Close()
 		db := session.DB(api.DBName)
 
@@ -79,7 +79,7 @@ func (api *API) collectionGetHandler(m mgocrud.ModelInterface) gin.HandlerFunc {
 
 		results := x.Interface()
 
-		session := api.DBSession.Copy()
+		session := api.DBConnection.NewSession()
 		defer session.Close()
 		db := session.DB(api.DBName)
 
@@ -205,7 +205,7 @@ func (api *API) collectionPostHandler(m mgocrud.ModelInterface) gin.HandlerFunc
 			return
 		}
 
-		session := api.DBSession.Copy()
+		session := api.DBConnection.NewSession()
 		defer session.Close()
 		db := session.DB(api.DBName)
 
@@ -257,7 +257,7 @@ func (api *API) collectionPostHandler(m mgocrud.ModelInterface) gin.HandlerFunc
 
 func (api *API) collectionPutHandler(m mgocrud.ModelInterface) gin.HandlerFunc {
 	return func(c *gin.Context) {
-		session := api.DBSession.Copy()
+		session := api.DBConnection.NewSession()
 		defer session.Close()
 		db := session.DB(api.DBName)
 
@@ -399,7 +399,7 @@ func (api *API) collectionPutHandler(m mgocrud.ModelInterface) gin.HandlerFunc {
 func (api *API) collectionDeleteHandler(m mgocrud.ModelInterface) gin.HandlerFunc {
 	return func(c *gin.Context) {
 
-		session := api.DBSession.Copy()
+		session := api.DBConnection.NewSession()
 		defer session.Close()
 		db := session.DB(api.DBName)
 
diff --git a/login.go b/login.go
index b1b0776..adc3408 100644
--- a/login.go
+++ b/login.go
@@ -26,7 +26,7 @@ func (api *API) loginPostHandler(m LoginModel) func(c *gin.Context) {
 			return
 		}
 
-		session := api.DBSession.Copy()
+		session := api.DBConnection.NewSession()
 		defer session.Close()
 		db := session.DB(api.DBName)
 
diff --git a/register.go b/register.go
index e2e2fe5..5e3e72b 100644
--- a/register.go
+++ b/register.go
@@ -7,7 +7,7 @@ import (
 
 // API is wrapper for one RouterGroup and mgo DB
 type API struct {
-	DBSession            Session
+	DBConnection         Connection
 	DBName               string
 	routerGroup          *gin.RouterGroup
 	jwtSecret            []byte
@@ -22,11 +22,11 @@ type Context struct {
 }
 
 // New returns new instance of the API
-func New(session Session, dbname string, routerGroup *gin.RouterGroup) *API {
+func New(connection Connection, dbname string, routerGroup *gin.RouterGroup) *API {
 	return &API{
-		DBSession:   session,
-		DBName:      dbname,
-		routerGroup: routerGroup,
+		DBConnection: connection,
+		DBName:       dbname,
+		routerGroup:  routerGroup,
 	}
 }
 
@@ -37,7 +37,7 @@ func (api *API) RegisterModel(m mgocrud.ModelInterface) {
 
 	modelRegistry = append(modelRegistry, m)
 
-	session := api.DBSession.Copy()
+	session := api.DBConnection.NewSession()
 	defer session.Close()
 	db := session.DB(api.DBName)