diff --git a/vendor/github.com/weaveworks/mesh/overlay.go b/vendor/github.com/weaveworks/mesh/overlay.go
index b7ad0e72..061147d6 100644
--- a/vendor/github.com/weaveworks/mesh/overlay.go
+++ b/vendor/github.com/weaveworks/mesh/overlay.go
@@ -108,7 +108,11 @@ func (NullOverlay) Diagnostics() interface{} { return nil }
 func (NullOverlay) Confirm() {}
 
 // EstablishedChannel implements OverlayConnection.
-func (NullOverlay) EstablishedChannel() <-chan struct{} { return nil }
+func (NullOverlay) EstablishedChannel() <-chan struct{} {
+	c := make(chan struct{})
+	close(c)
+	return c
+}
 
 // ErrorChannel implements OverlayConnection.
 func (NullOverlay) ErrorChannel() <-chan error { return nil }
diff --git a/vendor/vendor.json b/vendor/vendor.json
index bcfc1b32..df51ced1 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -281,10 +281,10 @@
 			"revisionTime": "2016-11-21T14:22:35Z"
 		},
 		{
-			"checksumSHA1": "Hc5wR0iUw/ofXSMFbYIAI/sxRC8=",
+			"checksumSHA1": "l9QnjqWTJyUcX4aoylCg2f/eW9g=",
 			"path": "github.com/weaveworks/mesh",
-			"revision": "38e8100dfbc7b28ae8ffde5a2bbeceec57ffa52a",
-			"revisionTime": "2017-07-31T09:06:22Z"
+			"revision": "fb4080d8ee8c3999005e85f5afcbc76b0f74b30a",
+			"revisionTime": "2018-01-19T10:45:17Z"
 		},
 		{
 			"checksumSHA1": "h+pFYiRHBogczS8/F1NoN3Ata44=",