diff --git a/go.mod b/go.mod
index c4e0e01e..94e58ad7 100644
--- a/go.mod
+++ b/go.mod
@@ -20,5 +20,5 @@ require (
 	k8s.io/code-generator v0.19.7
 	k8s.io/kube-openapi v0.0.0-20200805222855-6aeccd4b50c6
 	knative.dev/hack v0.0.0-20210428122153-93ad9129c268
-	knative.dev/pkg v0.0.0-20210525142738-ea766de6bdd1
+	knative.dev/pkg v0.0.0-20210526081028-980a33719a10
 )
diff --git a/go.sum b/go.sum
index 7923ea19..86223b14 100644
--- a/go.sum
+++ b/go.sum
@@ -1116,8 +1116,8 @@ k8s.io/utils v0.0.0-20200729134348-d5654de09c73 h1:uJmqzgNWG7XyClnU/mLPBWwfKKF1K
 k8s.io/utils v0.0.0-20200729134348-d5654de09c73/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 knative.dev/hack v0.0.0-20210428122153-93ad9129c268 h1:lBIj9Epd9UQ55NEaHzAdY/UZbuaegCdGPKVC2+Z68Q0=
 knative.dev/hack v0.0.0-20210428122153-93ad9129c268/go.mod h1:PHt8x8yX5Z9pPquBEfIj0X66f8iWkWfR0S/sarACJrI=
-knative.dev/pkg v0.0.0-20210525142738-ea766de6bdd1 h1:i+oPTPkGg32aZgrbfMzVC+kejeYAxd5Bgz1iIBe4Z6U=
-knative.dev/pkg v0.0.0-20210525142738-ea766de6bdd1/go.mod h1:nOD9XjvR+UuO1fHZSaOhfTWDCIz06crh1qQppgZDzR0=
+knative.dev/pkg v0.0.0-20210526081028-980a33719a10 h1:4tC0TcIx4EU6PCcRwdIiCWuKI3vpOgpQUrF1nUeF1t8=
+knative.dev/pkg v0.0.0-20210526081028-980a33719a10/go.mod h1:nOD9XjvR+UuO1fHZSaOhfTWDCIz06crh1qQppgZDzR0=
 pgregory.net/rapid v0.3.3/go.mod h1:UYpPVyjFHzYBGHIxLFoupi8vwk6rXNzRY9OMvVxFIOU=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
diff --git a/vendor/knative.dev/pkg/apis/condition_set.go b/vendor/knative.dev/pkg/apis/condition_set.go
index 1d81355b..1b110475 100644
--- a/vendor/knative.dev/pkg/apis/condition_set.go
+++ b/vendor/knative.dev/pkg/apis/condition_set.go
@@ -27,7 +27,7 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
-// Conditions is the interface for a Resource that implements the getter and
+// ConditionsAccessor is the interface for a Resource that implements the getter and
 // setter for accessing a Condition collection.
 // +k8s:deepcopy-gen=true
 type ConditionsAccessor interface {
diff --git a/vendor/knative.dev/pkg/apis/condition_types.go b/vendor/knative.dev/pkg/apis/condition_types.go
index 5b428868..f0517527 100644
--- a/vendor/knative.dev/pkg/apis/condition_types.go
+++ b/vendor/knative.dev/pkg/apis/condition_types.go
@@ -52,7 +52,7 @@ const (
 	ConditionSeverityInfo ConditionSeverity = "Info"
 )
 
-// Conditions defines a readiness condition for a Knative resource.
+// Condition defines a readiness condition for a Knative resource.
 // See: https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/api-conventions.md#typical-status-properties
 // +k8s:deepcopy-gen=true
 type Condition struct {
diff --git a/vendor/knative.dev/pkg/apis/deprecated.go b/vendor/knative.dev/pkg/apis/deprecated.go
index fc9bca5f..fb73306f 100644
--- a/vendor/knative.dev/pkg/apis/deprecated.go
+++ b/vendor/knative.dev/pkg/apis/deprecated.go
@@ -33,7 +33,7 @@ func CheckDeprecated(ctx context.Context, obj interface{}) *FieldError {
 	return CheckDeprecatedUpdate(ctx, obj, nil)
 }
 
-// CheckDeprecated checks whether the provided named deprecated fields
+// CheckDeprecatedUpdate checks whether the provided named deprecated fields
 // are set in a context where deprecation is disallowed.
 // This is a json shallow check. We will recursively check inlined structs.
 func CheckDeprecatedUpdate(ctx context.Context, obj, original interface{}) *FieldError {
diff --git a/vendor/knative.dev/pkg/apis/duck/register.go b/vendor/knative.dev/pkg/apis/duck/register.go
index 93cf55d7..34f13d6a 100644
--- a/vendor/knative.dev/pkg/apis/duck/register.go
+++ b/vendor/knative.dev/pkg/apis/duck/register.go
@@ -21,6 +21,7 @@ import (
 )
 
 const (
+	// GroupName is the name of the API group.
 	GroupName = ducktypes.GroupName
 
 	// AddressableDuckVersionLabel is the label we use to declare
diff --git a/vendor/knative.dev/pkg/apis/duck/v1/register.go b/vendor/knative.dev/pkg/apis/duck/v1/register.go
index 67418b3e..fb4348a0 100644
--- a/vendor/knative.dev/pkg/apis/duck/v1/register.go
+++ b/vendor/knative.dev/pkg/apis/duck/v1/register.go
@@ -38,8 +38,10 @@ func Resource(resource string) schema.GroupResource {
 }
 
 var (
+	// SchemeBuilder builds a scheme with the types known to the package.
 	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
-	AddToScheme   = SchemeBuilder.AddToScheme
+	// AddToScheme adds the types known to this package to an existing schema.
+	AddToScheme = SchemeBuilder.AddToScheme
 )
 
 // Adds the list of known types to Scheme.
diff --git a/vendor/knative.dev/pkg/configmap/manual_watcher.go b/vendor/knative.dev/pkg/configmap/manual_watcher.go
index bd28e7c2..a2760b44 100644
--- a/vendor/knative.dev/pkg/configmap/manual_watcher.go
+++ b/vendor/knative.dev/pkg/configmap/manual_watcher.go
@@ -44,7 +44,7 @@ func (w *ManualWatcher) Watch(name string, o ...Observer) {
 	w.observers[name] = append(w.observers[name], o...)
 }
 
-// Watch implements Watcher
+// ForEach implements Watcher
 func (w *ManualWatcher) ForEach(f func(string, []Observer) error) error {
 	for k, v := range w.observers {
 		if err := f(k, v); err != nil {
diff --git a/vendor/knative.dev/pkg/controller/controller.go b/vendor/knative.dev/pkg/controller/controller.go
index 747cf58e..9593eef2 100644
--- a/vendor/knative.dev/pkg/controller/controller.go
+++ b/vendor/knative.dev/pkg/controller/controller.go
@@ -477,7 +477,8 @@ func (c *Impl) RunContext(ctx context.Context, threadiness int) error {
 	return nil
 }
 
-// DEPRECATED use RunContext instead.
+// Run runs the controller.
+// DEPRECATED: Use RunContext instead.
 func (c *Impl) Run(threadiness int, stopCh <-chan struct{}) error {
 	// Create a context that is cancelled when the stopCh is called.
 	ctx, cancel := context.WithCancel(context.Background())
diff --git a/vendor/knative.dev/pkg/controller/stats_reporter.go b/vendor/knative.dev/pkg/controller/stats_reporter.go
index 474bab3f..6735285d 100644
--- a/vendor/knative.dev/pkg/controller/stats_reporter.go
+++ b/vendor/knative.dev/pkg/controller/stats_reporter.go
@@ -48,7 +48,9 @@ var (
 	// - characters are printable US-ASCII
 	reconcilerTagKey = tag.MustNewKey("reconciler")
 	successTagKey    = tag.MustNewKey("success")
-	NamespaceTagKey  = tag.MustNewKey(metricskey.LabelNamespaceName)
+
+	// NamespaceTagKey marks metrics with a namespace.
+	NamespaceTagKey = tag.MustNewKey(metricskey.LabelNamespaceName)
 )
 
 func init() {
diff --git a/vendor/knative.dev/pkg/reconciler/events.go b/vendor/knative.dev/pkg/reconciler/events.go
index 4c85c884..df4c366c 100644
--- a/vendor/knative.dev/pkg/reconciler/events.go
+++ b/vendor/knative.dev/pkg/reconciler/events.go
@@ -62,7 +62,7 @@ func NewEvent(eventtype, reason, messageFmt string, args ...interface{}) Event {
 
 // ReconcilerEvent wraps the fields required for recorders to create a
 // kubernetes recorder Event.
-type ReconcilerEvent struct { //nolint:golint // for backcompat.
+type ReconcilerEvent struct { //nolint:revive // for backcompat.
 	EventType string
 	Reason    string
 	Format    string
diff --git a/vendor/knative.dev/pkg/reconciler/reconcile_common.go b/vendor/knative.dev/pkg/reconciler/reconcile_common.go
index f7408fb4..114d53b0 100644
--- a/vendor/knative.dev/pkg/reconciler/reconcile_common.go
+++ b/vendor/knative.dev/pkg/reconciler/reconcile_common.go
@@ -31,9 +31,13 @@ import (
 const failedGenerationBump = "NewObservedGenFailure"
 
 const (
-	DoReconcileKind       = "ReconcileKind"
-	DoFinalizeKind        = "FinalizeKind"
-	DoObserveKind         = "ObserveKind"
+	// DoReconcileKind is the function name for reconciling the resource (as a leader).
+	DoReconcileKind = "ReconcileKind"
+	// DoFinalizeKind is the function name for finalizing the resource (as a leader).
+	DoFinalizeKind = "FinalizeKind"
+	// DoObserveKind is the function name for observing the resource (as a non leader).
+	DoObserveKind = "ObserveKind"
+	// DoObserveFinalizeKind is the function name for observing finalization of the resource (as a non leader).
 	DoObserveFinalizeKind = "ObserveFinalizeKind"
 )
 
diff --git a/vendor/knative.dev/pkg/system/env.go b/vendor/knative.dev/pkg/system/env.go
index d9ec3dda..ea1db0f0 100644
--- a/vendor/knative.dev/pkg/system/env.go
+++ b/vendor/knative.dev/pkg/system/env.go
@@ -22,7 +22,10 @@ import (
 )
 
 const (
-	NamespaceEnvKey     = "SYSTEM_NAMESPACE"
+	// NamespaceEnvKey is the environment variable that specifies the system namespace.
+	NamespaceEnvKey = "SYSTEM_NAMESPACE"
+	// ResourceLabelEnvKey is the environment variable that specifies the system resource
+	// label.
 	ResourceLabelEnvKey = "SYSTEM_RESOURCE_LABEL"
 )
 
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 35c2c70b..2a56e923 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -667,7 +667,7 @@ k8s.io/utils/trace
 # knative.dev/hack v0.0.0-20210428122153-93ad9129c268
 ## explicit
 knative.dev/hack
-# knative.dev/pkg v0.0.0-20210525142738-ea766de6bdd1
+# knative.dev/pkg v0.0.0-20210526081028-980a33719a10
 ## explicit
 knative.dev/pkg/apis
 knative.dev/pkg/apis/duck