diff --git a/go.mod b/go.mod
index e34bd0a9f..d1e7cf160 100644
--- a/go.mod
+++ b/go.mod
@@ -12,7 +12,7 @@ require (
 	k8s.io/apimachinery v0.21.4
 	k8s.io/cli-runtime v0.21.4
 	k8s.io/client-go v0.21.4
-	knative.dev/client v0.26.1-0.20211102100340-09d48d5f4c2f
+	knative.dev/client v0.27.0
 	knative.dev/eventing v0.27.0
 	knative.dev/hack v0.0.0-20211101195839-11d193bf617b
 	knative.dev/pkg v0.0.0-20211101212339-96c0204a70dc
diff --git a/go.sum b/go.sum
index 1e649e2e0..6b8556a1b 100644
--- a/go.sum
+++ b/go.sum
@@ -1677,27 +1677,19 @@ k8s.io/utils v0.0.0-20200324210504-a9aa75ae1b89/go.mod h1:sZAwmy6armz5eXlNoLmJcl
 k8s.io/utils v0.0.0-20201110183641-67b214c5f920/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 k8s.io/utils v0.0.0-20210111153108-fddb29f9d009 h1:0T5IaWHO3sJTEmCP6mUlBvMukxPKUQWqiI/YuiBNMiQ=
 k8s.io/utils v0.0.0-20210111153108-fddb29f9d009/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
-knative.dev/caching v0.0.0-20211029072651-f2af269b6d90/go.mod h1:5lh1DR0ZI/mCx7SRwbH5K8Vy1b0AIbxOaJlcLVx9E3o=
 knative.dev/caching v0.0.0-20211101215439-72577a3c0ce1/go.mod h1:hz6tnVAmRLvPoprw+0wsA9IrZC3MF5l2Hn/2JT28Yk0=
-knative.dev/client v0.26.1-0.20211102100340-09d48d5f4c2f h1:G0WwxABLhyMYNrDLTScbLcSt/4fAi0OT8v8rT0J3VR0=
-knative.dev/client v0.26.1-0.20211102100340-09d48d5f4c2f/go.mod h1:NVN+hzUIcqnEv9HCLvWj+tqiW0aT5txGFuWsXwdRjq4=
-knative.dev/eventing v0.26.1-0.20211029100351-4de0da062efa/go.mod h1:n0CQNBQIeUqNfjgnywUykDXVKWDSlUVG3cUoK7WHxhk=
+knative.dev/client v0.27.0 h1:qZkdFFCjPDsQrfHQMd1vPanDxEVloEJeUrrC3a52pK4=
+knative.dev/client v0.27.0/go.mod h1:FmXziLwolJtqaH3Jxe8cxqWjBUHXU6LsRsMyzlMSFFM=
 knative.dev/eventing v0.27.0 h1:P9rqKvsCeFb8sEhfK32WFTG7awdOAa7XO6p3umSq/wU=
 knative.dev/eventing v0.27.0/go.mod h1:4ppWQEQ/2B66/YFENDmV1Gjxs4meLpz6UTUgLkkINt4=
-knative.dev/hack v0.0.0-20211028194650-b96d65a5ff5e/go.mod h1:PHt8x8yX5Z9pPquBEfIj0X66f8iWkWfR0S/sarACJrI=
 knative.dev/hack v0.0.0-20211101195839-11d193bf617b h1:DaW1iliZlBAwq/I8gTqVu8UnfGxyb5yR7CDsJi5jyWk=
 knative.dev/hack v0.0.0-20211101195839-11d193bf617b/go.mod h1:PHt8x8yX5Z9pPquBEfIj0X66f8iWkWfR0S/sarACJrI=
-knative.dev/hack/schema v0.0.0-20211028194650-b96d65a5ff5e/go.mod h1:ffjwmdcrH5vN3mPhO8RrF2KfNnbHeCE2C60A+2cv3U0=
 knative.dev/hack/schema v0.0.0-20211101195839-11d193bf617b/go.mod h1:ffjwmdcrH5vN3mPhO8RrF2KfNnbHeCE2C60A+2cv3U0=
-knative.dev/networking v0.0.0-20211029072251-c3606d9f7b38/go.mod h1:Ehgk5lhjcXSngdOv0fQu0vPXRivhx4JtS9uEhlm4fug=
 knative.dev/networking v0.0.0-20211101215640-8c71a2708e7d h1:nCnuNfcLWuyAdZYgVfwSooa3+p2ebx+V+qhGXXF/FIk=
 knative.dev/networking v0.0.0-20211101215640-8c71a2708e7d/go.mod h1:7SKKM4MsBANrXNRZhb/zMkNjTdxYbNjwQDWgu+Fyye4=
-knative.dev/pkg v0.0.0-20211028235650-5d9d300c2e40/go.mod h1:HyEqMTLzT2hGCisGaRMGzEE8b4Ym+7mhmVx5ygiX+fY=
 knative.dev/pkg v0.0.0-20211101212339-96c0204a70dc h1:ldjbTpoMXUTgzw0IJsAFLdyA6/6QYRvz8IGPZOknEDg=
 knative.dev/pkg v0.0.0-20211101212339-96c0204a70dc/go.mod h1:SkfDk9bWIiNZD7XtILGkG7AKVyF/M6M0bGxLgl0SYL8=
-knative.dev/reconciler-test v0.0.0-20211029073051-cff9b538d33c/go.mod h1:PIwtS0at/rtnsNCxcZUAZUmWKKasTUYJ/w1Mk94bOdA=
 knative.dev/reconciler-test v0.0.0-20211101214439-9839937c9b13/go.mod h1:gTsbLk496j/M9xqMpx/liyCQ0X3bwDpRtcs2Zzws364=
-knative.dev/serving v0.26.1-0.20211101141423-4317e47d4207/go.mod h1:1w3kpOAeaJTtnidzEbMvjtkwNm3/QlSQFZWN1bmM/FM=
 knative.dev/serving v0.27.0 h1:pstGHQ8aSJsIwdofkjJV6TrmPN09u/2qN1Mgfc92LQs=
 knative.dev/serving v0.27.0/go.mod h1:Lcqv3K/DeDt6ZoeWTgpjxc/0teS7uMebnnU+gXIw99c=
 pgregory.net/rapid v0.3.3/go.mod h1:UYpPVyjFHzYBGHIxLFoupi8vwk6rXNzRY9OMvVxFIOU=
diff --git a/vendor/knative.dev/client/pkg/kn/config/config.go b/vendor/knative.dev/client/pkg/kn/config/config.go
index fd3abfd25..e1b6340ce 100644
--- a/vendor/knative.dev/client/pkg/kn/config/config.go
+++ b/vendor/knative.dev/client/pkg/kn/config/config.go
@@ -39,7 +39,6 @@ var bootstrapDefaults = initDefaults()
 const configContentDefaults = `# Taken from https://github.com/knative/client/blob/main/docs/README.md#options
 #
 #plugins:
-#  path-lookup: true
 #  directory: ~/.config/kn/plugins
 #eventing:
 #  sink-mappings:
@@ -89,13 +88,7 @@ func (c *config) PluginsDir() string {
 
 // LookupPluginsInPath returns true if plugins should be also checked in the pat
 func (c *config) LookupPluginsInPath() bool {
-	if viper.IsSet(deprecatedKeyPluginsLookupInPath) {
-		return viper.GetBool(deprecatedKeyPluginsLookupInPath)
-	} else {
-		// If legacy branch is removed, switch to setting the default to viper
-		// See TODO comment below.
-		return bootstrapDefaults.lookupPluginsInPath
-	}
+	return bootstrapDefaults.lookupPluginsInPath
 }
 
 func (c *config) SinkMappings() []SinkMapping {
@@ -132,10 +125,6 @@ func BootstrapConfig() error {
 	if err != nil {
 		return err
 	}
-	err = viper.BindPFlag(deprecatedKeyPluginsLookupInPath, bootstrapFlagSet.Lookup(flagPluginsLookupInPath))
-	if err != nil {
-		return err
-	}
 
 	viper.SetConfigFile(GlobalConfig.ConfigFile())
 	configFile := GlobalConfig.ConfigFile()
@@ -145,10 +134,12 @@ func BootstrapConfig() error {
 			return fmt.Errorf("cannot stat configfile %s: %w", configFile, err)
 		}
 		if err := os.MkdirAll(filepath.Dir(viper.ConfigFileUsed()), 0775); err != nil {
-			return err
+			// Can't create config directory, proceed silently without reading the config
+			return nil
 		}
 		if err := os.WriteFile(viper.ConfigFileUsed(), []byte(configContentDefaults), 0600); err != nil {
-			fmt.Fprintf(os.Stderr, "WARNING: failed writing config file to %q: %s\n", configFile, err)
+			// Can't create config file, proceed silently without reading the config
+			return nil
 		}
 	}
 
@@ -158,7 +149,6 @@ func BootstrapConfig() error {
 	// TODO: Re-enable when legacy handling for plugin config has been removed
 	// For now default handling is happening directly in the getter of GlobalConfig
 	// viper.SetDefault(keyPluginsDirectory, bootstrapDefaults.pluginsDir)
-	// viper.SetDefault(deprecatedKeyPluginsLookupInPath, bootstrapDefaults.lookupPluginsInPath)
 
 	// If a config file is found, read it in.
 	err = viper.ReadInConfig()
@@ -181,10 +171,8 @@ func BootstrapConfig() error {
 func AddBootstrapFlags(flags *flag.FlagSet) {
 	flags.StringVar(&globalConfig.configFile, "config", "", fmt.Sprintf("kn configuration file (default: %s)", defaultConfigFileForUsageMessage()))
 	flags.String(flagPluginsDir, "", "Directory holding kn plugins")
-	flags.Bool(flagPluginsLookupInPath, false, "Search kn plugins also in $PATH")
 
 	// Let's try that and mark the flags as hidden: (as those configuration is a permanent choice of operation)
-	flags.MarkHidden(flagPluginsLookupInPath)
 	flags.MarkHidden(flagPluginsDir)
 }
 
diff --git a/vendor/knative.dev/client/pkg/kn/config/types.go b/vendor/knative.dev/client/pkg/kn/config/types.go
index b801c58dd..2ef7dc8de 100644
--- a/vendor/knative.dev/client/pkg/kn/config/types.go
+++ b/vendor/knative.dev/client/pkg/kn/config/types.go
@@ -70,10 +70,9 @@ type ChannelTypeMapping struct {
 
 // config Keys for looking up in viper
 const (
-	keyPluginsDirectory              = "plugins.directory"
-	deprecatedKeyPluginsLookupInPath = "plugins.path-lookup"
-	keySinkMappings                  = "eventing.sink-mappings"
-	keyChannelTypeMappings           = "eventing.channel-type-mappings"
+	keyPluginsDirectory    = "plugins.directory"
+	keySinkMappings        = "eventing.sink-mappings"
+	keyChannelTypeMappings = "eventing.channel-type-mappings"
 )
 
 // legacy config keys, deprecated
@@ -85,6 +84,5 @@ const (
 // Global (hidden) flags
 // TODO: Remove me if decided that they are not needed
 const (
-	flagPluginsDir          = "plugins-dir"
-	flagPluginsLookupInPath = "lookup-plugins"
+	flagPluginsDir = "plugins-dir"
 )
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 218c5c750..2d813d7cf 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -637,7 +637,7 @@ k8s.io/utils/buffer
 k8s.io/utils/integer
 k8s.io/utils/pointer
 k8s.io/utils/trace
-# knative.dev/client v0.26.1-0.20211102100340-09d48d5f4c2f
+# knative.dev/client v0.27.0
 ## explicit
 knative.dev/client/pkg/config
 knative.dev/client/pkg/dynamic