diff --git a/src/go.mod b/src/go.mod
index c872ca94d..5b8e2541f 100644
--- a/src/go.mod
+++ b/src/go.mod
@@ -19,7 +19,7 @@ require (
 	github.com/gorilla/websocket v1.5.3
 	github.com/onsi/ginkgo/v2 v2.20.2
 	github.com/onsi/gomega v1.34.2
-	github.com/prometheus/client_golang v1.20.3
+	github.com/prometheus/client_golang v1.20.4
 	golang.org/x/net v0.29.0
 	google.golang.org/grpc v1.66.2
 	google.golang.org/protobuf v1.34.2
diff --git a/src/go.sum b/src/go.sum
index e967c7ed1..c2cc560bf 100644
--- a/src/go.sum
+++ b/src/go.sum
@@ -96,8 +96,8 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/poy/onpar v1.1.2 h1:QaNrNiZx0+Nar5dLgTVp5mXkyoVFIbepjyEoGSnhbAY=
 github.com/poy/onpar v1.1.2/go.mod h1:6X8FLNoxyr9kkmnlqpK6LSoiOtrO6MICtWwEuWkLjzg=
-github.com/prometheus/client_golang v1.20.3 h1:oPksm4K8B+Vt35tUhw6GbSNSgVlVSBH0qELP/7u83l4=
-github.com/prometheus/client_golang v1.20.3/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE=
+github.com/prometheus/client_golang v1.20.4 h1:Tgh3Yr67PaOv/uTqloMsCEdeuFTatm5zIq5+qNN23vI=
+github.com/prometheus/client_golang v1.20.4/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE=
 github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
 github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
 github.com/prometheus/common v0.59.1 h1:LXb1quJHWm1P6wq/U824uxYi4Sg0oGvNeUm1z5dJoX0=
diff --git a/src/vendor/github.com/prometheus/client_golang/prometheus/histogram.go b/src/vendor/github.com/prometheus/client_golang/prometheus/histogram.go
index 8a4f49a4c..519db348a 100644
--- a/src/vendor/github.com/prometheus/client_golang/prometheus/histogram.go
+++ b/src/vendor/github.com/prometheus/client_golang/prometheus/histogram.go
@@ -844,9 +844,7 @@ func (h *histogram) Write(out *dto.Metric) error {
 			}}
 		}
 
-		// If exemplars are not configured, the cap will be 0.
-		// So append is not needed in this case.
-		if cap(h.nativeExemplars.exemplars) > 0 {
+		if h.nativeExemplars.isEnabled() {
 			h.nativeExemplars.Lock()
 			his.Exemplars = append(his.Exemplars, h.nativeExemplars.exemplars...)
 			h.nativeExemplars.Unlock()
@@ -1665,6 +1663,10 @@ type nativeExemplars struct {
 	exemplars []*dto.Exemplar
 }
 
+func (n *nativeExemplars) isEnabled() bool {
+	return n.ttl != -1
+}
+
 func makeNativeExemplars(ttl time.Duration, maxCount int) nativeExemplars {
 	if ttl == 0 {
 		ttl = 5 * time.Minute
@@ -1686,7 +1688,7 @@ func makeNativeExemplars(ttl time.Duration, maxCount int) nativeExemplars {
 }
 
 func (n *nativeExemplars) addExemplar(e *dto.Exemplar) {
-	if n.ttl == -1 {
+	if !n.isEnabled() {
 		return
 	}
 
diff --git a/src/vendor/modules.txt b/src/vendor/modules.txt
index e51c37c2d..72b8db95c 100644
--- a/src/vendor/modules.txt
+++ b/src/vendor/modules.txt
@@ -160,7 +160,7 @@ github.com/onsi/gomega/types
 # github.com/pkg/errors v0.9.1
 ## explicit
 github.com/pkg/errors
-# github.com/prometheus/client_golang v1.20.3
+# github.com/prometheus/client_golang v1.20.4
 ## explicit; go 1.20
 github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil
 github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil/header