diff --git a/go.mod b/go.mod
index 656133ef40..65922ad282 100644
--- a/go.mod
+++ b/go.mod
@@ -93,7 +93,7 @@ require (
 	go-micro.dev/v4 v4.10.2
 	go.etcd.io/bbolt v1.3.9
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0
-	go.opentelemetry.io/contrib/zpages v0.49.0
+	go.opentelemetry.io/contrib/zpages v0.51.0
 	go.opentelemetry.io/otel v1.26.0
 	go.opentelemetry.io/otel/exporters/jaeger v1.17.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.26.0
diff --git a/go.sum b/go.sum
index d1cf89403c..2be9e3050f 100644
--- a/go.sum
+++ b/go.sum
@@ -2106,8 +2106,8 @@ go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.4
 go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.48.0/go.mod h1:tIKj3DbO8N9Y2xo52og3irLsPI4GW02DSMtrVgNMgxg=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0 h1:Xs2Ncz0gNihqu9iosIZ5SkBbWo5T8JhhLJFMQL1qmLI=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0/go.mod h1:vy+2G/6NvVMpwGX/NyLqcC41fxepnuKHk16E6IZUcJc=
-go.opentelemetry.io/contrib/zpages v0.49.0 h1:Wk217PkNBxcKWnIQpwtbZZE286K4ZY9uajnM5woSeLU=
-go.opentelemetry.io/contrib/zpages v0.49.0/go.mod h1:6alLi5mmkZWbAtZMRPd1ffIgkTcsU9OTHQF2NbSOhrQ=
+go.opentelemetry.io/contrib/zpages v0.51.0 h1:psVr4JTWd0qtISPj9EA6AODGJ09bvsOxWiuKqiGdSCA=
+go.opentelemetry.io/contrib/zpages v0.51.0/go.mod h1:PKtp+NEp1gTTLmFHpynYgYCSkKtisPntOb9S1mQjFKg=
 go.opentelemetry.io/otel v1.26.0 h1:LQwgL5s/1W7YiiRwxf03QGnWLb2HW4pLiAhaA5cZXBs=
 go.opentelemetry.io/otel v1.26.0/go.mod h1:UmLkJHUAidDval2EICqBMbnAd0/m2vmpf/dAM+fvFs4=
 go.opentelemetry.io/otel/exporters/jaeger v1.17.0 h1:D7UpUy2Xc2wsi1Ras6V40q806WM07rqoCWzXu7Sqy+4=
diff --git a/vendor/go.opentelemetry.io/contrib/zpages/boundaries.go b/vendor/go.opentelemetry.io/contrib/zpages/boundaries.go
index 51fad83380..cebeaade70 100644
--- a/vendor/go.opentelemetry.io/contrib/zpages/boundaries.go
+++ b/vendor/go.opentelemetry.io/contrib/zpages/boundaries.go
@@ -1,16 +1,5 @@
 // Copyright The OpenTelemetry Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
 
 package zpages // import "go.opentelemetry.io/contrib/zpages"
 
diff --git a/vendor/go.opentelemetry.io/contrib/zpages/bucket.go b/vendor/go.opentelemetry.io/contrib/zpages/bucket.go
index f88c73a341..3711ccd8a2 100644
--- a/vendor/go.opentelemetry.io/contrib/zpages/bucket.go
+++ b/vendor/go.opentelemetry.io/contrib/zpages/bucket.go
@@ -1,4 +1,6 @@
 // Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
 // Copyright 2017, OpenCensus Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/vendor/go.opentelemetry.io/contrib/zpages/doc.go b/vendor/go.opentelemetry.io/contrib/zpages/doc.go
index e663fa1c2e..5052fada9c 100644
--- a/vendor/go.opentelemetry.io/contrib/zpages/doc.go
+++ b/vendor/go.opentelemetry.io/contrib/zpages/doc.go
@@ -1,16 +1,5 @@
 // Copyright The OpenTelemetry Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
 
 // Package zpages implements a collection of HTML pages that display
 // telemetry stats.
diff --git a/vendor/go.opentelemetry.io/contrib/zpages/internal/gen.go b/vendor/go.opentelemetry.io/contrib/zpages/internal/gen.go
index 5972035f82..b00306c91a 100644
--- a/vendor/go.opentelemetry.io/contrib/zpages/internal/gen.go
+++ b/vendor/go.opentelemetry.io/contrib/zpages/internal/gen.go
@@ -1,16 +1,5 @@
 // Copyright The OpenTelemetry Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
 
 package internal // import "go.opentelemetry.io/contrib/zpages/internal"
 
diff --git a/vendor/go.opentelemetry.io/contrib/zpages/spanprocessor.go b/vendor/go.opentelemetry.io/contrib/zpages/spanprocessor.go
index 189a04a746..3049f3c99f 100644
--- a/vendor/go.opentelemetry.io/contrib/zpages/spanprocessor.go
+++ b/vendor/go.opentelemetry.io/contrib/zpages/spanprocessor.go
@@ -1,4 +1,6 @@
 // Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
 // Copyright 2017, OpenCensus Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/vendor/go.opentelemetry.io/contrib/zpages/templates.go b/vendor/go.opentelemetry.io/contrib/zpages/templates.go
index 98ab6aa032..cc9b1dec0e 100644
--- a/vendor/go.opentelemetry.io/contrib/zpages/templates.go
+++ b/vendor/go.opentelemetry.io/contrib/zpages/templates.go
@@ -1,4 +1,6 @@
 // Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
 // Copyright 2017, OpenCensus Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
@@ -58,7 +60,6 @@ func parseTemplate(name string) *template.Template {
 	return template.Must(template.New(name).Funcs(templateFunctions).Parse(string(text)))
 }
 
-//nolint:gosec // G203: The used method does not auto-escape HTML. Tracked under https://github.com/open-telemetry/opentelemetry-go-contrib/issues/4451.
 func spanRowFormatter(r spanRow) template.HTML {
 	if !r.SpanContext.IsValid() {
 		return ""
@@ -67,10 +68,21 @@ func spanRowFormatter(r spanRow) template.HTML {
 	if r.SpanContext.IsSampled() {
 		col = "blue"
 	}
+
+	tpl := fmt.Sprintf(
+		`trace_id: <b style="color:%s">%s</b> span_id: %s`,
+		col,
+		r.SpanContext.TraceID(),
+		r.SpanContext.SpanID(),
+	)
 	if r.ParentSpanContext.IsValid() {
-		return template.HTML(fmt.Sprintf(`trace_id: <b style="color:%s">%s</b> span_id: %s parent_span_id: %s`, col, r.SpanContext.TraceID(), r.SpanContext.SpanID(), r.ParentSpanContext.SpanID()))
+		tpl += fmt.Sprintf(` parent_span_id: %s`, r.ParentSpanContext.SpanID())
 	}
-	return template.HTML(fmt.Sprintf(`trace_id: <b style="color:%s">%s</b> span_id: %s`, col, r.SpanContext.TraceID(), r.SpanContext.SpanID()))
+
+	//nolint:gosec // G203: None of the dynamic attributes (TraceID/SpanID) can
+	// contain characters that need escaping so this lint issue is a false
+	// positive.
+	return template.HTML(tpl)
 }
 
 func even(x int) bool {
diff --git a/vendor/go.opentelemetry.io/contrib/zpages/tracez.go b/vendor/go.opentelemetry.io/contrib/zpages/tracez.go
index cb3325a039..b0ca486d31 100644
--- a/vendor/go.opentelemetry.io/contrib/zpages/tracez.go
+++ b/vendor/go.opentelemetry.io/contrib/zpages/tracez.go
@@ -1,4 +1,6 @@
 // Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
 // Copyright 2017, OpenCensus Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/vendor/go.opentelemetry.io/contrib/zpages/version.go b/vendor/go.opentelemetry.io/contrib/zpages/version.go
index 527a1d37e2..d4042102bc 100644
--- a/vendor/go.opentelemetry.io/contrib/zpages/version.go
+++ b/vendor/go.opentelemetry.io/contrib/zpages/version.go
@@ -1,22 +1,11 @@
 // Copyright The OpenTelemetry Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
 
 package zpages // import "go.opentelemetry.io/contrib/zpages"
 
 // Version is the current release version of the zpages span processor.
 func Version() string {
-	return "0.49.0"
+	return "0.51.0"
 	// This string is updated by the pre_release.sh script during release
 }
 
diff --git a/vendor/modules.txt b/vendor/modules.txt
index d65c561854..d12306b1d2 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1952,8 +1952,8 @@ go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/inte
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/internal/semconv
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/internal/semconvutil
-# go.opentelemetry.io/contrib/zpages v0.49.0
-## explicit; go 1.20
+# go.opentelemetry.io/contrib/zpages v0.51.0
+## explicit; go 1.21
 go.opentelemetry.io/contrib/zpages
 go.opentelemetry.io/contrib/zpages/internal
 # go.opentelemetry.io/otel v1.26.0