diff --git a/go.mod b/go.mod
index e5864976ec..c91bfbdf23 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
 	github.com/NYTimes/gziphandler v1.0.1
 	github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 // indirect
 	github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e
-	github.com/armon/go-metrics v0.3.4
+	github.com/armon/go-metrics v0.3.5-0.20200914211745-2bc64ebd2914
 	github.com/armon/go-radix v1.0.0
 	github.com/aws/aws-sdk-go v1.25.41
 	github.com/coredns/coredns v1.1.2
diff --git a/go.sum b/go.sum
index dde7494dc1..fd10770940 100644
--- a/go.sum
+++ b/go.sum
@@ -34,7 +34,6 @@ github.com/Azure/go-autorest/tracing v0.5.0 h1:TRn4WjSnkcSy5AEG3pnbtFSwNtwzjr4VY
 github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/DataDog/datadog-go v2.2.0+incompatible h1:V5BKkxACZLjzHjSgBbr2gvLA2Ae49yhc6CSY7MLy5k4=
 github.com/DataDog/datadog-go v2.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
 github.com/DataDog/datadog-go v3.2.0+incompatible h1:qSG2N4FghB1He/r2mFrWKCaL7dXCilEuNEeAn20fdD4=
 github.com/DataDog/datadog-go v3.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
@@ -58,10 +57,9 @@ github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e h1:QEF07wC0T1rKkctt1
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
-github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878 h1:EFSB7Zo9Eg91v7MJPVsifUysc/wPdN+NOnVe6bWbdBM=
 github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878/go.mod h1:3AMJUQhVx52RsWOnlkpikZr01T/yAVN2gn0861vByNg=
-github.com/armon/go-metrics v0.3.4 h1:Xqf+7f2Vhl9tsqDYmXhnXInUdcrtgpRNpIA15/uldSc=
-github.com/armon/go-metrics v0.3.4/go.mod h1:4O98XIr/9W0sxpJ8UaYkvjk10Iff7SnFrb4QAOwNTFc=
+github.com/armon/go-metrics v0.3.5-0.20200914211745-2bc64ebd2914 h1:Yiw8vrY+7jX6pCOdAkIUNU8QBS9c6HJAct+K36MeANw=
+github.com/armon/go-metrics v0.3.5-0.20200914211745-2bc64ebd2914/go.mod h1:4O98XIr/9W0sxpJ8UaYkvjk10Iff7SnFrb4QAOwNTFc=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/armon/go-radix v1.0.0 h1:F4z6KzEeeQIMeLFa97iZU6vupzoecKdU5TX24SNppXI=
 github.com/armon/go-radix v1.0.0/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
diff --git a/vendor/github.com/armon/go-metrics/prometheus/prometheus.go b/vendor/github.com/armon/go-metrics/prometheus/prometheus.go
index 66d2d32539..abb8c49864 100644
--- a/vendor/github.com/armon/go-metrics/prometheus/prometheus.go
+++ b/vendor/github.com/armon/go-metrics/prometheus/prometheus.go
@@ -28,6 +28,7 @@ type PrometheusOpts struct {
 	// Expiration is the duration a metric is valid for, after which it will be
 	// untracked. If the value is zero, a metric is never expired.
 	Expiration time.Duration
+	Registerer prometheus.Registerer
 }
 
 type PrometheusSink struct {
@@ -67,7 +68,12 @@ func NewPrometheusSinkFrom(opts PrometheusOpts) (*PrometheusSink, error) {
 		expiration: opts.Expiration,
 	}
 
-	return sink, prometheus.Register(sink)
+	reg := opts.Registerer
+	if reg == nil {
+		reg = prometheus.DefaultRegisterer
+	}
+
+	return sink, reg.Register(sink)
 }
 
 // Describe is needed to meet the Collector interface.
diff --git a/vendor/github.com/armon/go-metrics/start.go b/vendor/github.com/armon/go-metrics/start.go
index 32a28c4837..6aa0bd389a 100644
--- a/vendor/github.com/armon/go-metrics/start.go
+++ b/vendor/github.com/armon/go-metrics/start.go
@@ -6,7 +6,7 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/hashicorp/go-immutable-radix"
+	iradix "github.com/hashicorp/go-immutable-radix"
 )
 
 // Config is used to configure metrics settings
@@ -48,6 +48,11 @@ func init() {
 	globalMetrics.Store(&Metrics{sink: &BlackholeSink{}})
 }
 
+// Default returns the shared global metrics instance.
+func Default() *Metrics {
+	return globalMetrics.Load().(*Metrics)
+}
+
 // DefaultConfig provides a sane default configuration
 func DefaultConfig(serviceName string) *Config {
 	c := &Config{
diff --git a/vendor/modules.txt b/vendor/modules.txt
index e2f7b4ae45..c0ecc86d01 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -32,7 +32,7 @@ github.com/NYTimes/gziphandler
 github.com/StackExchange/wmi
 # github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e
 github.com/armon/circbuf
-# github.com/armon/go-metrics v0.3.4
+# github.com/armon/go-metrics v0.3.5-0.20200914211745-2bc64ebd2914
 github.com/armon/go-metrics
 github.com/armon/go-metrics/circonus
 github.com/armon/go-metrics/datadog