diff --git a/go.mod b/go.mod
index 118cdb28..cae4f8b6 100644
--- a/go.mod
+++ b/go.mod
@@ -16,8 +16,8 @@ require (
 	k8s.io/client-go v11.0.1-0.20190805182717-6502b5e7b1b5+incompatible
 	k8s.io/code-generator v0.18.0
 	k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a
-	knative.dev/pkg v0.0.0-20200512191130-b10849aacf82
-	knative.dev/test-infra v0.0.0-20200513011557-d03429a76034
+	knative.dev/pkg v0.0.0-20200514052058-c75d324f8b8b
+	knative.dev/test-infra v0.0.0-20200513224158-2b7ecf0da961
 )
 
 replace (
diff --git a/go.sum b/go.sum
index 928a9080..7733faf6 100644
--- a/go.sum
+++ b/go.sum
@@ -1371,15 +1371,15 @@ knative.dev/pkg v0.0.0-20191111150521-6d806b998379/go.mod h1:pgODObA1dTyhNoFxPZT
 knative.dev/pkg v0.0.0-20200428194351-90fc61bae7f7/go.mod h1:o+e8OVEJKIuvXPsGVPIautjXgs05xbos7G+QMRjuUps=
 knative.dev/pkg v0.0.0-20200505191044-3da93ebb24c2 h1:Qu2NlOHb9p3g+CSL/ok9+FySowN60URFEKRSXfWtDv4=
 knative.dev/pkg v0.0.0-20200505191044-3da93ebb24c2/go.mod h1:Q6sL35DdGs8hIQZKdaCXJGgY8f90BmNBKSb8z6d/BTM=
-knative.dev/pkg v0.0.0-20200512191130-b10849aacf82 h1:fNi8SJwQ5ADR0vj5EEpAcgdqlMKG1Ukym6BROixBLcc=
-knative.dev/pkg v0.0.0-20200512191130-b10849aacf82/go.mod h1:gv+6TBl/yLc/x2dpVfmjF+MWLbxWRm9ie5dJRASsPmw=
+knative.dev/pkg v0.0.0-20200514052058-c75d324f8b8b h1:lM0uwBgNcS9S4cWLqIS6Fvjt3kR/6oAPXgbXfEzBJwU=
+knative.dev/pkg v0.0.0-20200514052058-c75d324f8b8b/go.mod h1:tMOHGbxtRz8zYFGEGpV/bpoTEM1o89MwYFC4YJXl3GY=
 knative.dev/test-infra v0.0.0-20200407185800-1b88cb3b45a5/go.mod h1:xcdUkMJrLlBswIZqL5zCuBFOC22WIPMQoVX1L35i0vQ=
 knative.dev/test-infra v0.0.0-20200505052144-5ea2f705bb55 h1:Ajn44+eHHjPQL/BQicj8LMy8VTD2ypMCfHJuZVGEtew=
 knative.dev/test-infra v0.0.0-20200505052144-5ea2f705bb55/go.mod h1:WqF1Azka+FxPZ20keR2zCNtiQA1MP9ZB4BH4HuI+SIU=
-knative.dev/test-infra v0.0.0-20200509000045-c7114387eed5 h1:4lQU2AMChE3Hb2WgHDFfhRbYlITCMUgQ2Y6eeIIEgxM=
-knative.dev/test-infra v0.0.0-20200509000045-c7114387eed5/go.mod h1:aMif0KXL4g19YCYwsy4Ocjjz5xgPlseYV+B95Oo4JGE=
 knative.dev/test-infra v0.0.0-20200513011557-d03429a76034 h1:JxqONCZVS7or+Fv3ebVQoipuIBH7Ig3Qbx170hgIF+A=
 knative.dev/test-infra v0.0.0-20200513011557-d03429a76034/go.mod h1:aMif0KXL4g19YCYwsy4Ocjjz5xgPlseYV+B95Oo4JGE=
+knative.dev/test-infra v0.0.0-20200513224158-2b7ecf0da961 h1:idvJyBTh6J2owRgJgwuC0Y8BBEiCJf02IfK6+Vk0U7c=
+knative.dev/test-infra v0.0.0-20200513224158-2b7ecf0da961/go.mod h1:aMif0KXL4g19YCYwsy4Ocjjz5xgPlseYV+B95Oo4JGE=
 modernc.org/cc v1.0.0/go.mod h1:1Sk4//wdnYJiUIxnW8ddKpaOJCF37yAdqYnkxUpaYxw=
 modernc.org/golex v1.0.0/go.mod h1:b/QX9oBD/LhixY6NDh+IdGv17hgB+51fET1i2kPSmvk=
 modernc.org/mathutil v1.0.0/go.mod h1:wU0vUrJsVWBZ4P6e7xtFJEhFSNsfRLJ8H458uRjg03k=
diff --git a/vendor/knative.dev/pkg/metrics/metricskey/constants.go b/vendor/knative.dev/pkg/metrics/metricskey/constants.go
index d9e2a1ac..56906768 100644
--- a/vendor/knative.dev/pkg/metrics/metricskey/constants.go
+++ b/vendor/knative.dev/pkg/metrics/metricskey/constants.go
@@ -41,6 +41,12 @@ const (
 	// LabelResponseCodeClass is the label for the HTTP response status code class. For example, "2xx", "3xx", etc.
 	LabelResponseCodeClass = "response_code_class"
 
+	// LabelResponseError is the label for client error. For HTTP, A non-2xx status code doesn't cause an error.
+	LabelResponseError = "response_error"
+
+	// LabelResponseTimeout is the label timeout.
+	LabelResponseTimeout = "response_timeout"
+
 	// ValueUnknown is the default value if the field is unknown, e.g. project will be unknown if Knative
 	// is not running on GKE.
 	ValueUnknown = "unknown"
diff --git a/vendor/knative.dev/pkg/metrics/utils.go b/vendor/knative.dev/pkg/metrics/utils.go
index 7345cec9..e2e56a41 100644
--- a/vendor/knative.dev/pkg/metrics/utils.go
+++ b/vendor/knative.dev/pkg/metrics/utils.go
@@ -16,7 +16,11 @@ limitations under the License.
 
 package metrics
 
-import "strconv"
+import (
+	"strconv"
+
+	"go.opencensus.io/tag"
+)
 
 // ResponseCodeClass converts an HTTP response code to a string representing its response code class.
 // E.g., The response code class is "5xx" for response code 503.
@@ -24,3 +28,27 @@ func ResponseCodeClass(responseCode int) string {
 	// Get the hundred digit of the response code and concatenate "xx".
 	return strconv.Itoa(responseCode/100) + "xx"
 }
+
+// MaybeInsertIntTag conditionally insert the tag when cond is true.
+func MaybeInsertIntTag(key tag.Key, value int, cond bool) tag.Mutator {
+	if cond {
+		return tag.Insert(key, strconv.Itoa(value))
+	}
+	return tag.Insert(key, "")
+}
+
+// MaybeInsertBoolTag conditionally insert the tag when cond is true.
+func MaybeInsertBoolTag(key tag.Key, value bool, cond bool) tag.Mutator {
+	if cond {
+		return tag.Insert(key, strconv.FormatBool(value))
+	}
+	return tag.Insert(key, "")
+}
+
+// MaybeInsertStringTag conditionally insert the tag when cond is true.
+func MaybeInsertStringTag(key tag.Key, value string, cond bool) tag.Mutator {
+	if cond {
+		return tag.Insert(key, value)
+	}
+	return tag.Insert(key, "")
+}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index fc38e449..c6573d19 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -656,7 +656,7 @@ k8s.io/kube-openapi/pkg/util/sets
 k8s.io/utils/buffer
 k8s.io/utils/integer
 k8s.io/utils/trace
-# knative.dev/pkg v0.0.0-20200512191130-b10849aacf82
+# knative.dev/pkg v0.0.0-20200514052058-c75d324f8b8b
 knative.dev/pkg/apis
 knative.dev/pkg/apis/duck
 knative.dev/pkg/apis/duck/v1
@@ -676,7 +676,7 @@ knative.dev/pkg/metrics
 knative.dev/pkg/metrics/metricskey
 knative.dev/pkg/reconciler
 knative.dev/pkg/tracker
-# knative.dev/test-infra v0.0.0-20200513011557-d03429a76034
+# knative.dev/test-infra v0.0.0-20200513224158-2b7ecf0da961
 knative.dev/test-infra/scripts
 knative.dev/test-infra/tools/dep-collector
 # sigs.k8s.io/yaml v1.1.0