diff --git a/vendor/github.com/weaveworks/promrus/promrus.go b/vendor/github.com/weaveworks/promrus/promrus.go
index 4c20ab8bf..2b435c1d4 100644
--- a/vendor/github.com/weaveworks/promrus/promrus.go
+++ b/vendor/github.com/weaveworks/promrus/promrus.go
@@ -22,8 +22,11 @@ func NewPrometheusHook() (*PrometheusHook, error) {
 	}, []string{"level"})
 	// Initialise counters for all supported levels:
 	for _, level := range supportedLevels {
-		counterVec.WithLabelValues(level.String()).Set(0)
+		counterVec.WithLabelValues(level.String())
 	}
+	// Try to unregister the counter vector, in case already registered for some reason,
+	// e.g. double initialisation/configuration done by mistake by the end-user.
+	prometheus.Unregister(counterVec)
 	// Try to register the counter vector:
 	err := prometheus.Register(counterVec)
 	if err != nil {
diff --git a/vendor/manifest b/vendor/manifest
index ab156c7fe..a3318d43d 100644
--- a/vendor/manifest
+++ b/vendor/manifest
@@ -1330,7 +1330,7 @@
 			"importpath": "github.com/weaveworks/common",
 			"repository": "https://github.com/weaveworks/common",
 			"vcs": "git",
-			"revision": "15746cbb5831e70c58d520634b09393b7c3cfd56",
+			"revision": "41542d6238573fc99d2fd89e8df6618586974c7e",
 			"branch": "HEAD",
 			"notests": true
 		},
@@ -1362,7 +1362,7 @@
 			"importpath": "github.com/weaveworks/promrus",
 			"repository": "https://github.com/weaveworks/promrus",
 			"vcs": "git",
-			"revision": "0b17fa8b72895f7896cc65da81c3c945a66c8f82",
+			"revision": "0599d764e054d4e983bb120e30759179fafe3942",
 			"branch": "HEAD",
 			"notests": true
 		},