diff --git a/go.mod b/go.mod
index d058a9b..459040d 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@ module github.com/jay-dee7/storage
 go 1.15
 
 require (
-	github.com/mailhog/data v1.0.1 // indirect
-	gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22 // indirect
+	github.com/mailhog/data v1.0.1
+	gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22
 )
diff --git a/mongodb_multi_tenant.go b/mongodb_multi_tenant.go
index 24dbd93..521f402 100644
--- a/mongodb_multi_tenant.go
+++ b/mongodb_multi_tenant.go
@@ -34,7 +34,7 @@ func (m *MultiTenantMongoDB) Store(msg *data.Message, tenant string) (string, er
 		log.Printf("Error inserting message: %s", err)
 		return "", err
 	}
-	
+
 	return string(msg.ID), nil
 }
 
diff --git a/storage.go b/storage.go
index 59c0be9..2c712e0 100644
--- a/storage.go
+++ b/storage.go
@@ -17,7 +17,7 @@ type Storage interface {
 type MultiTenantStorage interface {
 	Store(m *data.Message, tenant string) (string, error)
 	List(start, limit int, tenant string) (*data.Messages, error)
-	Search(kind, query string, start, limit int, tenant string) (*data.Messages, int, error)
+	Search(filter interface{}, start, limit int, tenant string) (*data.Messages, int, error)
 	Count(tenant string) int
 	DeleteOne(id, tenant string) error
 	DeleteAll(tenant string) error