diff --git a/clerk/instances.go b/clerk/instances.go
index 6322f41c..a92c9dc1 100644
--- a/clerk/instances.go
+++ b/clerk/instances.go
@@ -59,18 +59,24 @@ func (s *InstanceService) Update(params UpdateInstanceParams) error {
 }
 
 type InstanceRestrictionsResponse struct {
-	Object                      string `json:"object"`
-	Allowlist                   bool   `json:"allowlist"`
-	Blocklist                   bool   `json:"blocklist"`
-	BlockEmailSubaddresses      bool   `json:"block_email_subaddresses"`
-	BlockDisposableEmailDomains bool   `json:"block_disposable_email_domains"`
+	Object                                   string `json:"object"`
+	Allowlist                                bool   `json:"allowlist"`
+	Blocklist                                bool   `json:"blocklist"`
+	BlockEmailSubaddresses                   bool   `json:"block_email_subaddresses"`
+	BlockDisposableEmailDomains              bool   `json:"block_disposable_email_domains"`
+	UserLockoutEnabled                       bool   `json:"user_lockout_enabled"`
+	UserLockoutMaxFailedVerificationAttempts *int64 `json:"user_lockout_max_failed_verification_attempts"`
+	UserLockoutLockoutDurationMinutes        *int64 `json:"user_lockout_lockout_duration_minutes"`
 }
 
 type UpdateRestrictionsParams struct {
-	Allowlist                   *bool `json:"allowlist,omitempty"`
-	Blocklist                   *bool `json:"blocklist,omitempty"`
-	BlockEmailSubaddresses      *bool `json:"block_email_subaddresses,omitempty"`
-	BlockDisposableEmailDomains *bool `json:"block_disposable_email_domains,omitempty"`
+	Allowlist                                *bool  `json:"allowlist,omitempty"`
+	Blocklist                                *bool  `json:"blocklist,omitempty"`
+	BlockEmailSubaddresses                   *bool  `json:"block_email_subaddresses,omitempty"`
+	BlockDisposableEmailDomains              *bool  `json:"block_disposable_email_domains,omitempty"`
+	UserLockoutEnabled                       bool   `json:"user_lockout_enabled,omitempty"`
+	UserLockoutMaxFailedVerificationAttempts *int64 `json:"user_lockout_max_failed_verification_attempts,omitempty"`
+	UserLockoutLockoutDurationMinutes        *int64 `json:"user_lockout_lockout_duration_minutes,omitempty"`
 }
 
 func (s *InstanceService) UpdateRestrictions(params UpdateRestrictionsParams) (*InstanceRestrictionsResponse, error) {
diff --git a/clerk/users.go b/clerk/users.go
index ca18985b..12ddcf9d 100644
--- a/clerk/users.go
+++ b/clerk/users.go
@@ -35,6 +35,7 @@ type User struct {
 	UnsafeMetadata        interface{}    `json:"unsafe_metadata"`
 	LastSignInAt          *int64         `json:"last_sign_in_at"`
 	Banned                bool           `json:"banned"`
+	Locked                bool           `json:"locked"`
 	ExternalID            *string        `json:"external_id"`
 	CreatedAt             int64          `json:"created_at"`
 	UpdatedAt             int64          `json:"updated_at"`
@@ -304,6 +305,30 @@ func (s *UsersService) Unban(userID string) (*User, error) {
 	return &response, nil
 }
 
+func (s *UsersService) Lock(userID string) (*User, error) {
+	url := fmt.Sprintf("%s/%s/lock", UsersUrl, userID)
+	req, _ := s.client.NewRequest(http.MethodPost, url)
+
+	var response User
+	if _, err := s.client.Do(req, &response); err != nil {
+		return nil, err
+	}
+
+	return &response, nil
+}
+
+func (s *UsersService) Unlock(userID string) (*User, error) {
+	url := fmt.Sprintf("%s/%s/unlock", UsersUrl, userID)
+	req, _ := s.client.NewRequest(http.MethodPost, url)
+
+	var response User
+	if _, err := s.client.Do(req, &response); err != nil {
+		return nil, err
+	}
+
+	return &response, nil
+}
+
 type ListMembershipsParams struct {
 	Limit  *int
 	Offset *int