diff --git a/go.mod b/go.mod
index e91423facb3..46e19dba664 100644
--- a/go.mod
+++ b/go.mod
@@ -45,10 +45,10 @@ require (
 	k8s.io/apiserver v0.27.6
 	k8s.io/client-go v0.27.6
 	k8s.io/utils v0.0.0-20230209194617-a36077c30491
-	knative.dev/hack v0.0.0-20230926181829-f2f9b6f91263
-	knative.dev/hack/schema v0.0.0-20230926181829-f2f9b6f91263
-	knative.dev/pkg v0.0.0-20231003141102-833dd976f13d
-	knative.dev/reconciler-test v0.0.0-20230928130937-1bc30a77ad78
+	knative.dev/hack v0.0.0-20231006131420-158898889ae8
+	knative.dev/hack/schema v0.0.0-20231006131420-158898889ae8
+	knative.dev/pkg v0.0.0-20231009134048-bae23eb35759
+	knative.dev/reconciler-test v0.0.0-20231006131424-4a507273509f
 	sigs.k8s.io/yaml v1.3.0
 )
 
diff --git a/go.sum b/go.sum
index 48c2b1206d4..931f4ede765 100644
--- a/go.sum
+++ b/go.sum
@@ -844,14 +844,14 @@ k8s.io/kube-openapi v0.0.0-20230501164219-8b0f38b5fd1f h1:2kWPakN3i/k81b0gvD5C5F
 k8s.io/kube-openapi v0.0.0-20230501164219-8b0f38b5fd1f/go.mod h1:byini6yhqGC14c3ebc/QwanvYwhuMWF6yz2F8uwW8eg=
 k8s.io/utils v0.0.0-20230209194617-a36077c30491 h1:r0BAOLElQnnFhE/ApUsg3iHdVYYPBjNSSOMowRZxxsY=
 k8s.io/utils v0.0.0-20230209194617-a36077c30491/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
-knative.dev/hack v0.0.0-20230926181829-f2f9b6f91263 h1:e6r9J1YopzSh6tDCpyKhVBfRUlZ2r0KRo9wupRjdRF4=
-knative.dev/hack v0.0.0-20230926181829-f2f9b6f91263/go.mod h1:yk2OjGDsbEnQjfxdm0/HJKS2WqTLEFg/N6nUs6Rqx3Q=
-knative.dev/hack/schema v0.0.0-20230926181829-f2f9b6f91263 h1:STkde45JVGJdrrhEBudTxd2R4mY2fKqwlMtkkSxCV8g=
-knative.dev/hack/schema v0.0.0-20230926181829-f2f9b6f91263/go.mod h1:3pWwBLnTZSM9psSgCAvhKOHIPTzqfEMlWRpDu6IYhK0=
-knative.dev/pkg v0.0.0-20231003141102-833dd976f13d h1:EcUwMwxqa1/4lhh0Hm5lc9h3ohUckHzKofG8ZAPZlbk=
-knative.dev/pkg v0.0.0-20231003141102-833dd976f13d/go.mod h1:PxnS8ZnVtC0S+An+NEhrpzWt6k9hedDNt659Gu5EtJk=
-knative.dev/reconciler-test v0.0.0-20230928130937-1bc30a77ad78 h1:1/VFdHjSG0J1WYu9/TzqIjR5a6igrP8pSDBnMdKQxZ8=
-knative.dev/reconciler-test v0.0.0-20230928130937-1bc30a77ad78/go.mod h1:i+/PWK/n3HPgjXMoj5U7CA6WRW/C3c3EfHCQ0FmrhNM=
+knative.dev/hack v0.0.0-20231006131420-158898889ae8 h1:wz+G++v1u11IuFHX0ip3a849zLnEoj2vDJYxoy37Fr8=
+knative.dev/hack v0.0.0-20231006131420-158898889ae8/go.mod h1:yk2OjGDsbEnQjfxdm0/HJKS2WqTLEFg/N6nUs6Rqx3Q=
+knative.dev/hack/schema v0.0.0-20231006131420-158898889ae8 h1:a3iwxETKToaTFD5drk5Ygw8JsYrxrrQoL3Trom43uKU=
+knative.dev/hack/schema v0.0.0-20231006131420-158898889ae8/go.mod h1:3pWwBLnTZSM9psSgCAvhKOHIPTzqfEMlWRpDu6IYhK0=
+knative.dev/pkg v0.0.0-20231009134048-bae23eb35759 h1:k/bzOYJxhesw7eWvAudZ57TQXa8aBdcrqPEEhWsTzes=
+knative.dev/pkg v0.0.0-20231009134048-bae23eb35759/go.mod h1:PxnS8ZnVtC0S+An+NEhrpzWt6k9hedDNt659Gu5EtJk=
+knative.dev/reconciler-test v0.0.0-20231006131424-4a507273509f h1:9rGrBdvHhk9sBxKRmx9jIAtWrz0ymXNG3BL1XKz1L5I=
+knative.dev/reconciler-test v0.0.0-20231006131424-4a507273509f/go.mod h1:VGuokSFkJKR0Q8Y0hDHkPA1fXd+PV48ct09uYRPFk64=
 pgregory.net/rapid v1.0.0 h1:iQaM2w5PZ6xvt6x7hbd7tiDS+nk7YPp5uCaEba+T/F4=
 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/environment/client_config.go b/vendor/knative.dev/pkg/environment/client_config.go
index aef33927ef7..0b51857aa14 100644
--- a/vendor/knative.dev/pkg/environment/client_config.go
+++ b/vendor/knative.dev/pkg/environment/client_config.go
@@ -44,8 +44,12 @@ func (c *ClientConfig) InitFlags(fs *flag.FlagSet) {
 	fs.StringVar(&c.ServerURL, "server", "",
 		"The address of the Kubernetes API server. Overrides any value in kubeconfig. Only required if out-of-cluster.")
 
-	fs.StringVar(&c.Kubeconfig, "kubeconfig", os.Getenv("KUBECONFIG"),
-		"Path to a kubeconfig. Only required if out-of-cluster.")
+	if f := fs.Lookup("kubeconfig"); f != nil {
+		c.Kubeconfig = f.Value.String()
+	} else {
+		fs.StringVar(&c.Kubeconfig, "kubeconfig", os.Getenv("KUBECONFIG"),
+			"Path to a kubeconfig. Only required if out-of-cluster.")
+	}
 
 	fs.IntVar(&c.Burst, "kube-api-burst", int(envVarOrDefault("KUBE_API_BURST", 0)), "Maximum burst for throttle.")
 
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 58e59fa592b..c859339459a 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1198,17 +1198,17 @@ k8s.io/utils/net
 k8s.io/utils/pointer
 k8s.io/utils/strings/slices
 k8s.io/utils/trace
-# knative.dev/hack v0.0.0-20230926181829-f2f9b6f91263
+# knative.dev/hack v0.0.0-20231006131420-158898889ae8
 ## explicit; go 1.18
 knative.dev/hack
 knative.dev/hack/shell
-# knative.dev/hack/schema v0.0.0-20230926181829-f2f9b6f91263
+# knative.dev/hack/schema v0.0.0-20231006131420-158898889ae8
 ## explicit; go 1.18
 knative.dev/hack/schema/commands
 knative.dev/hack/schema/docs
 knative.dev/hack/schema/registry
 knative.dev/hack/schema/schema
-# knative.dev/pkg v0.0.0-20231003141102-833dd976f13d
+# knative.dev/pkg v0.0.0-20231009134048-bae23eb35759
 ## explicit; go 1.18
 knative.dev/pkg/apiextensions/storageversion
 knative.dev/pkg/apiextensions/storageversion/cmd/migrate
@@ -1346,8 +1346,8 @@ knative.dev/pkg/webhook/resourcesemantics
 knative.dev/pkg/webhook/resourcesemantics/conversion
 knative.dev/pkg/webhook/resourcesemantics/defaulting
 knative.dev/pkg/webhook/resourcesemantics/validation
-# knative.dev/reconciler-test v0.0.0-20230928130937-1bc30a77ad78
-## explicit; go 1.18
+# knative.dev/reconciler-test v0.0.0-20231006131424-4a507273509f
+## explicit; go 1.20
 knative.dev/reconciler-test/cmd/eventshub
 knative.dev/reconciler-test/pkg/environment
 knative.dev/reconciler-test/pkg/eventshub