diff --git a/vendor.conf b/vendor.conf
index bf1e9a6..d8513f5 100644
--- a/vendor.conf
+++ b/vendor.conf
@@ -120,7 +120,7 @@
 github.com/stevvooe/ttrpc d4528379866b0ce7e9d71f3eb96f0582fc374577
 
 # cluster
-github.com/docker/swarmkit 49a9d7f6ba3c1925262641e694c18eb43575f74b
+github.com/docker/swarmkit 11d7b06f48bc1d73fc6d8776c3552a4b11c94301
 github.com/gogo/protobuf v0.4
 github.com/cloudflare/cfssl 7fb22c8cba7ecaf98e4082d22d65800cf45e042a
 github.com/google/certificate-transparency d90e65c3a07988180c5b1ece71791c0b6506826e
diff --git a/vendor/github.com/docker/swarmkit/manager/controlapi/service.go b/vendor/github.com/docker/swarmkit/manager/controlapi/service.go
index e4c27df..3912052 100644
--- a/vendor/github.com/docker/swarmkit/manager/controlapi/service.go
+++ b/vendor/github.com/docker/swarmkit/manager/controlapi/service.go
@@ -644,7 +644,7 @@
 		return nil, err
 	}
 
-	if err := s.validateNetworks(request.Spec.Networks); err != nil {
+	if err := s.validateNetworks(request.Spec.Task.Networks); err != nil {
 		return nil, err
 	}
 
@@ -727,6 +727,10 @@
 		return nil, err
 	}
 
+	if err := s.validateNetworks(request.Spec.Task.Networks); err != nil {
+		return nil, err
+	}
+
 	var service *api.Service
 	s.store.View(func(tx store.ReadTx) {
 		service = store.GetService(tx, request.ServiceID)