diff --git a/Gopkg.lock b/Gopkg.lock
index dab14a8..4b71aad 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -2,20 +2,16 @@
 
 
 [[projects]]
-  branch = "master"
-  name = "git.loafle.net/overflow/util-go"
-  packages = ["net/ping"]
-  revision = "a2472a88ab6243321821dda3cac8b2045a2b3917"
-
-[[projects]]
+  digest = "1:ce40838a4da1fa140b9714c31c32fac3e0853653600c77c0777725d43377c011"
   name = "github.com/google/gopacket"
   packages = ["."]
+  pruneopts = "UT"
   revision = "11c65f1ca9081dfea43b4f9643f5c155583b73ba"
   version = "v1.1.14"
 
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "73befcd55a94a3a5149a5f07adcad15c8760bee722c3d6f152753bdea3dbc3e7"
+  input-imports = ["github.com/google/gopacket"]
   solver-name = "gps-cdcl"
   solver-version = 1
diff --git a/discovery/Port.go b/discovery/Port.go
index d546f40..3c1643d 100644
--- a/discovery/Port.go
+++ b/discovery/Port.go
@@ -13,6 +13,7 @@ type Port struct {
 	MetaPortType *meta.MetaPortType `json:"metaPortType,omitempty"`
 	PortNumber   json.Number        `json:"portNumber,omitempty"`
 
+	DefaultService string                       `json:"defaultService,omitempty"`
 	Meta           map[string]map[string]string `json:"meta,omitempty"`
 	DiscoveredBy   []*meta.MetaDiscovererType   `json:"discoveredBy,omitempty"`
 	DiscoveredDate *util.Timestamp              `json:"discoveredDate,omitempty"`