diff --git a/Gopkg.lock b/Gopkg.lock
index 250f34f9..eb00b668 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -966,7 +966,7 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:048b68ed41f274d9f9c663076f987bb4be938273ba13bc68088910ad634a354b"
+  digest = "1:ebdf5ffff735fda44be5fdd84c2b5546762925b0e72b2807fe23e78b5dbbd7ec"
   name = "knative.dev/pkg"
   packages = [
     "apis",
@@ -985,18 +985,18 @@
     "metrics/metricskey",
   ]
   pruneopts = "T"
-  revision = "b8dc5fbc6d2f4717a69d15382921a51f93ab4cbb"
+  revision = "bb0f16f214aa3ef442b313f6cf84c2877bd8c3a8"
 
 [[projects]]
   branch = "master"
-  digest = "1:c20a6bc69c6e4299afa4e4cb6016451fc751c5bb14025a271f3436f212ae73f7"
+  digest = "1:4ba0f80b3feed917d2c9a1aa79ea95836c3aef84589431cff77ffd01615a1150"
   name = "knative.dev/test-infra"
   packages = [
     "scripts",
     "tools/dep-collector",
   ]
   pruneopts = "UT"
-  revision = "bcc2cb77b27d57e02b77156cf3bf59b71680c993"
+  revision = "d5990f0e5a05d5819a40ad3b4de6227406850b48"
 
 [[projects]]
   digest = "1:8730e0150dfb2b7e173890c8b9868e7a273082ef8e39f4940e3506a481cf895c"
diff --git a/vendor/knative.dev/pkg/RELEASING.md b/vendor/knative.dev/pkg/RELEASING.md
index 3299c739..73a9eedb 100644
--- a/vendor/knative.dev/pkg/RELEASING.md
+++ b/vendor/knative.dev/pkg/RELEASING.md
@@ -18,7 +18,7 @@ At present, these downstream repositories include:
 1. knative/eventing
 1. knative/eventing-contrib
 1. knative/sample-controller
-1. google/knative-gcp
+1. knative/sample-source
 
 > The automation that auto-bumps these lives
 > [here](https://github.com/mattmoor/knobots/tree/knative/cmd/periodic/kodata).
diff --git a/vendor/knative.dev/pkg/metrics/config_observability.go b/vendor/knative.dev/pkg/metrics/config_observability.go
index 496443e9..5eaf0eb9 100644
--- a/vendor/knative.dev/pkg/metrics/config_observability.go
+++ b/vendor/knative.dev/pkg/metrics/config_observability.go
@@ -27,6 +27,10 @@ import (
 const (
 	// The following is used to set the default log url template
 	DefaultLogURLTemplate = "http://localhost:8001/api/v1/namespaces/knative-monitoring/services/kibana-logging/proxy/app/kibana#/discover?_a=(query:(match:(kubernetes.labels.knative-dev%2FrevisionUID:(query:'${REVISION_UID}',type:phrase))))"
+
+	// The following is used to set the default metrics backend
+	DefaultRequestMetricsBackend = "prometheus"
+
 	// The env var name for config-observability
 	ConfigMapNameEnv = "CONFIG_OBSERVABILITY_NAME"
 )
@@ -84,6 +88,8 @@ func NewObservabilityConfigFromConfigMap(configMap *corev1.ConfigMap) (*Observab
 
 	if mb, ok := configMap.Data["metrics.request-metrics-backend-destination"]; ok {
 		oc.RequestMetricsBackend = mb
+	} else {
+		oc.RequestMetricsBackend = DefaultRequestMetricsBackend
 	}
 
 	if prof, ok := configMap.Data["profiling.enable"]; ok {
diff --git a/vendor/knative.dev/test-infra/scripts/library.sh b/vendor/knative.dev/test-infra/scripts/library.sh
index d686114c..61d6c2d0 100755
--- a/vendor/knative.dev/test-infra/scripts/library.sh
+++ b/vendor/knative.dev/test-infra/scripts/library.sh
@@ -638,5 +638,5 @@ readonly REPO_NAME_FORMATTED="Knative $(capitalize ${REPO_NAME//-/ })"
 
 # Public latest nightly or release yaml files.
 readonly KNATIVE_SERVING_RELEASE="$(get_latest_knative_yaml_source "serving" "serving")"
-readonly KNATIVE_EVENTING_RELEASE="$(get_latest_knative_yaml_source "eventing" "release")"
+readonly KNATIVE_EVENTING_RELEASE="$(get_latest_knative_yaml_source "eventing" "eventing")"
 readonly KNATIVE_MONITORING_RELEASE="$(get_latest_knative_yaml_source "serving" "monitoring")"