diff --git a/app/namespace.go b/app/namespace.go
index 5ca93909..5d13b32c 100644
--- a/app/namespace.go
+++ b/app/namespace.go
@@ -804,9 +804,9 @@ func NewNamespaceCommand(getNamespaceClientFn GetNamespaceClientFn) (CommandOut,
 					Required: true,
 				},
 				&cli.StringFlag{
-					Name:  cloudProviderFlagName,
-					Usage: "The cloud provider of the region. Default: aws",
-					Value: CloudProviderAWS,
+					Name:     cloudProviderFlagName,
+					Usage:    "The cloud provider of the region.",
+					Required: true,
 				},
 			},
 			Action: func(ctx *cli.Context) error {
@@ -831,9 +831,9 @@ func NewNamespaceCommand(getNamespaceClientFn GetNamespaceClientFn) (CommandOut,
 					Required: true,
 				},
 				&cli.StringFlag{
-					Name:  cloudProviderFlagName,
-					Usage: "The cloud provider of the region. Default: aws",
-					Value: CloudProviderAWS,
+					Name:     cloudProviderFlagName,
+					Usage:    "The cloud provider of the region.",
+					Required: true,
 				},
 			},
 			Action: func(ctx *cli.Context) error {
@@ -1673,9 +1673,9 @@ func NewNamespaceCommand(getNamespaceClientFn GetNamespaceClientFn) (CommandOut,
 					Required: true,
 				},
 				&cli.StringFlag{
-					Name:  cloudProviderFlagName,
-					Usage: "The cloud provider of the region. Default: aws",
-					Value: CloudProviderAWS,
+					Name:     cloudProviderFlagName,
+					Usage:    "The cloud provider of the region.",
+					Required: true,
 				},
 			},
 			Action: func(ctx *cli.Context) error {
diff --git a/app/namespace_test.go b/app/namespace_test.go
index ab4c86c6..6f8d0bd7 100644
--- a/app/namespace_test.go
+++ b/app/namespace_test.go
@@ -1793,10 +1793,10 @@ func (s *NamespaceTestSuite) TestCreate() {
 	s.Error(s.RunCmd("namespace", "create"))
 	s.Error(s.RunCmd("namespace", "create", "--namespace", "ns1"))
 	s.Error(s.RunCmd("namespace", "create", "--namespace", "ns1", "--region", "us-west-2"))
-	s.Error(s.RunCmd("namespace", "create", "--namespace", "ns1", "--region", "us-west-2", "--auth-method", "api_key_or_mtls"))
-	s.Error(s.RunCmd("namespace", "create", "--namespace", "ns1", "--region", "us-west-2", "--auth-method", "invalid"))
+	s.Error(s.RunCmd("namespace", "create", "--namespace", "ns1", "--region", "us-west-2", "--cloud-provider", "aws", "--auth-method", "api_key_or_mtls"))
+	s.Error(s.RunCmd("namespace", "create", "--namespace", "ns1", "--region", "us-west-2", "--cloud-provider", "aws", "--auth-method", "invalid"))
 	s.mockService.EXPECT().CreateNamespace(gomock.Any(), gomock.Any()).Return(nil, errors.New("create namespace error")).Times(1)
-	s.EqualError(s.RunCmd("namespace", "create", "--namespace", "ns1", "--region", "us-west-2", "--ca-certificate", "cert1"), "create namespace error")
+	s.EqualError(s.RunCmd("namespace", "create", "--namespace", "ns1", "--region", "us-west-2", "--cloud-provider", "aws", "--ca-certificate", "cert1"), "create namespace error")
 	s.mockService.EXPECT().CreateNamespace(gomock.Any(), gomock.Any()).Return(&namespaceservice.CreateNamespaceResponse{
 		RequestStatus: &request.RequestStatus{},
 	}, nil).AnyTimes()
@@ -1812,6 +1812,7 @@ func (s *NamespaceTestSuite) TestCreate() {
 		"namespace", "create",
 		"--namespace", "ns1",
 		"--region", "us-west-2",
+		"--cloud-provider", "aws",
 		"--ca-certificate", "cert1",
 		"--certificate-filter-input", "{ \"filters\": [ { \"commonName\": \"test1\" } ] }",
 		"--search-attribute", "testsearchattribute=Keyword",
@@ -1821,6 +1822,7 @@ func (s *NamespaceTestSuite) TestCreate() {
 		"namespace", "create",
 		"--namespace", "ns1",
 		"--region", "us-west-2",
+		"--cloud-provider", "aws",
 		"--auth-method", "api_key",
 		"--search-attribute", "testsearchattribute=Keyword",
 		"--user-namespace-permission", "testuser@testcompany.com=Read",
@@ -1843,6 +1845,7 @@ func (s *NamespaceTestSuite) TestCreateWithCodec() {
 		"namespace", "create",
 		"--namespace", "ns1",
 		"--region", "us-west-2",
+		"--cloud-provider", "aws",
 		"--ca-certificate", "cert1",
 		"--certificate-filter-input", "{ \"filters\": [ { \"commonName\": \"test1\" } ] }",
 		"--search-attribute", "testsearchattribute=Keyword",
@@ -1854,6 +1857,7 @@ func (s *NamespaceTestSuite) TestCreateWithCodec() {
 		"namespace", "create",
 		"--namespace", "ns1",
 		"--region", "us-west-2",
+		"--cloud-provider", "aws",
 		"--ca-certificate", "cert1",
 		"--certificate-filter-input", "{ \"filters\": [ { \"commonName\": \"test1\" } ] }",
 		"--search-attribute", "testsearchattribute=Keyword",
@@ -1867,6 +1871,7 @@ func (s *NamespaceTestSuite) TestCreateWithCodec() {
 		"namespace", "create",
 		"--namespace", "ns1",
 		"--region", "us-west-2",
+		"--cloud-provider", "aws",
 		"--ca-certificate", "cert1",
 		"--certificate-filter-input", "{ \"filters\": [ { \"commonName\": \"test1\" } ] }",
 		"--search-attribute", "testsearchattribute=Keyword",
@@ -2754,8 +2759,8 @@ func (s *NamespaceTestSuite) TestRemoveNamespaceRegion() {
 		expectErr     bool
 	}{
 		{
-			name: "Validate default cloud provider",
-			args: []string{"namespace", "delete-region", "--namespace", ns, "--region", "us-west-2"},
+			name: "Validate AWS cloud provider",
+			args: []string{"namespace", "delete-region", "--namespace", ns, "--region", "us-west-2", "--cloud-provider", "aws"},
 			expectRequest: func(r *cloudservice.DeleteNamespaceRegionRequest) {
 				r.Namespace = ns
 				r.Region = "aws-us-west-2"
diff --git a/app/version.go b/app/version.go
index 439c1916..d7b5847e 100644
--- a/app/version.go
+++ b/app/version.go
@@ -19,7 +19,7 @@ const (
 	// MinSupportedVersion is the minimum tcld version supported by our APIs.
 	// This string must be updated when we deprecate older versions, but should be
 	// done carefully as this will likely break user's current usage of tcld.
-	MinSupportedVersion = "v0.17.0"
+	MinSupportedVersion = "v0.22.0"
 
 	// DefaultVersionString is the version which is sent over if no version was available.
 	// This can happen if a user builds the latest main branch, as the version string provided