diff --git a/go.mod b/go.mod
index 63b2f0e7b94..e72afde2ae4 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ require (
 	github.com/NYTimes/gziphandler v1.1.1
 	github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137
 	github.com/alicebob/miniredis/v2 v2.23.1
-	github.com/armon/go-metrics v0.4.0
+	github.com/armon/go-metrics v0.4.1
 	github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b
 	github.com/cespare/xxhash v1.1.0
 	github.com/dustin/go-humanize v1.0.0
diff --git a/go.sum b/go.sum
index 7a6933a402c..cf0a858f463 100644
--- a/go.sum
+++ b/go.sum
@@ -122,8 +122,8 @@ github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb
 github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
-github.com/armon/go-metrics v0.4.0 h1:yCQqn7dwca4ITXb+CbubHmedzaQYHhNhrEXLYUeEe8Q=
-github.com/armon/go-metrics v0.4.0/go.mod h1:E6amYzXo6aW1tqzoZGT755KkbgrJsSdpwZ+3JqfkOG4=
+github.com/armon/go-metrics v0.4.1 h1:hR91U9KYmb6bLBYLQjyM+3j+rcd/UhE+G78SFnF8gJA=
+github.com/armon/go-metrics v0.4.1/go.mod h1:E6amYzXo6aW1tqzoZGT755KkbgrJsSdpwZ+3JqfkOG4=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/armon/go-radix v1.0.0/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
diff --git a/vendor/github.com/armon/go-metrics/prometheus/prometheus.go b/vendor/github.com/armon/go-metrics/prometheus/prometheus.go
index d8221fbf014..5b2eeb43ca5 100644
--- a/vendor/github.com/armon/go-metrics/prometheus/prometheus.go
+++ b/vendor/github.com/armon/go-metrics/prometheus/prometheus.go
@@ -6,7 +6,6 @@ package prometheus
 import (
 	"fmt"
 	"log"
-	"regexp"
 	"strings"
 	"sync"
 	"time"
@@ -248,15 +247,15 @@ func initCounters(m *sync.Map, counters []CounterDefinition, help map[string]str
 	return
 }
 
-var forbiddenChars = regexp.MustCompile("[ .=\\-/]")
+var forbiddenCharsReplacer = strings.NewReplacer(" ", "_", ".", "_", "=", "_", "-", "_", "/", "_")
 
 func flattenKey(parts []string, labels []metrics.Label) (string, string) {
 	key := strings.Join(parts, "_")
-	key = forbiddenChars.ReplaceAllString(key, "_")
+	key = forbiddenCharsReplacer.Replace(key)
 
 	hash := key
 	for _, label := range labels {
-		hash += fmt.Sprintf(";%s=%s", label.Name, label.Value)
+		hash += ";" + label.Name + "=" + label.Value
 	}
 
 	return key, hash
diff --git a/vendor/modules.txt b/vendor/modules.txt
index eb936cc0252..665748dcfc6 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -94,7 +94,7 @@ github.com/alicebob/miniredis/v2/geohash
 github.com/alicebob/miniredis/v2/hyperloglog
 github.com/alicebob/miniredis/v2/metro
 github.com/alicebob/miniredis/v2/server
-# github.com/armon/go-metrics v0.4.0
+# github.com/armon/go-metrics v0.4.1
 ## explicit; go 1.12
 github.com/armon/go-metrics
 github.com/armon/go-metrics/prometheus