diff --git a/go.mod b/go.mod
index 3e98ee11a..7c87efac4 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/VictoriaMetrics/VictoriaMetrics
 
 require (
 	github.com/VictoriaMetrics/fastcache v1.5.1
-	github.com/VictoriaMetrics/metrics v1.6.1
+	github.com/VictoriaMetrics/metrics v1.6.2
 	github.com/cespare/xxhash/v2 v2.0.1-0.20190104013014-3767db7a7e18
 	github.com/golang/snappy v0.0.1
 	github.com/spaolacci/murmur3 v1.1.0 // indirect
diff --git a/go.sum b/go.sum
index 923c274bc..a699aa0bb 100644
--- a/go.sum
+++ b/go.sum
@@ -3,8 +3,8 @@ github.com/OneOfOne/xxhash v1.2.5 h1:zl/OfRA6nftbBK9qTohYBJ5xvw6C/oNKizR7cZGl3cI
 github.com/OneOfOne/xxhash v1.2.5/go.mod h1:eZbhyaAYD41SGSSsnmcpxVoRiQ/MPUTjUdIIOT9Um7Q=
 github.com/VictoriaMetrics/fastcache v1.5.1 h1:qHgHjyoNFV7jgucU8QZUuU4gcdhfs8QW1kw68OD2Lag=
 github.com/VictoriaMetrics/fastcache v1.5.1/go.mod h1:+jv9Ckb+za/P1ZRg/sulP5Ni1v49daAVERr0H3CuscE=
-github.com/VictoriaMetrics/metrics v1.6.1 h1:jHLmdFDuoXJC41FVvYVLoMzRieu7MOxFjYZdPHBN0EQ=
-github.com/VictoriaMetrics/metrics v1.6.1/go.mod h1:QZAL5yLaXvhSPeib0ahluGo9VK0HXDZHovKaKlpuWvs=
+github.com/VictoriaMetrics/metrics v1.6.2 h1:VMe8c8ZBPgNVZkPoT06LsoU2nb+8e7iPaOWbVRNhxjo=
+github.com/VictoriaMetrics/metrics v1.6.2/go.mod h1:LU2j9qq7xqZYXz8tF3/RQnB2z2MbZms5TDiIg9/NHiQ=
 github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156 h1:eMwmnE/GDgah4HI848JfFxHt+iPb26b4zyfspmqY0/8=
 github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
 github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
diff --git a/vendor/github.com/VictoriaMetrics/metrics/go.mod b/vendor/github.com/VictoriaMetrics/metrics/go.mod
index 7a4629bb2..15e3dccdd 100644
--- a/vendor/github.com/VictoriaMetrics/metrics/go.mod
+++ b/vendor/github.com/VictoriaMetrics/metrics/go.mod
@@ -1,3 +1,5 @@
 module github.com/VictoriaMetrics/metrics
 
 require github.com/valyala/histogram v1.0.1
+
+go 1.12
diff --git a/vendor/github.com/VictoriaMetrics/metrics/summary.go b/vendor/github.com/VictoriaMetrics/metrics/summary.go
index 3bb002dc7..def1f4e7b 100644
--- a/vendor/github.com/VictoriaMetrics/metrics/summary.go
+++ b/vendor/github.com/VictoriaMetrics/metrics/summary.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"io"
 	"math"
+	"strings"
 	"sync"
 	"time"
 
@@ -107,11 +108,20 @@ func (sm *Summary) marshalTo(prefix string, w io.Writer) {
 	sm.mu.Unlock()
 
 	if count > 0 {
-		fmt.Fprintf(w, "%s_sum %g\n", prefix, sum)
-		fmt.Fprintf(w, "%s_count %d\n", prefix, count)
+		name, filters := splitMetricName(prefix)
+		fmt.Fprintf(w, "%s_sum%s %g\n", name, filters, sum)
+		fmt.Fprintf(w, "%s_count%s %d\n", name, filters, count)
 	}
 }
 
+func splitMetricName(name string) (string, string) {
+	n := strings.IndexByte(name, '{')
+	if n < 0 {
+		return name, ""
+	}
+	return name[:n], name[n:]
+}
+
 func (sm *Summary) updateQuantiles() {
 	sm.mu.Lock()
 	sm.quantileValues = sm.curr.Quantiles(sm.quantileValues[:0], sm.quantiles)
diff --git a/vendor/modules.txt b/vendor/modules.txt
index e2fb8b7c2..7fe78a42f 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1,6 +1,6 @@
 # github.com/VictoriaMetrics/fastcache v1.5.1
 github.com/VictoriaMetrics/fastcache
-# github.com/VictoriaMetrics/metrics v1.6.1
+# github.com/VictoriaMetrics/metrics v1.6.2
 github.com/VictoriaMetrics/metrics
 # github.com/cespare/xxhash/v2 v2.0.1-0.20190104013014-3767db7a7e18
 github.com/cespare/xxhash/v2