diff --git a/github/github-accessors.go b/github/github-accessors.go
index 2cc8ce0d561..33de4b7e6a0 100644
--- a/github/github-accessors.go
+++ b/github/github-accessors.go
@@ -12254,6 +12254,14 @@ func (p *Protection) GetAllowForcePushes() *AllowForcePushes {
 	return p.AllowForcePushes
 }
 
+// GetAllowForkSyncing returns the AllowForkSyncing field if it's non-nil, zero value otherwise.
+func (p *Protection) GetAllowForkSyncing() bool {
+	if p == nil || p.AllowForkSyncing == nil {
+		return false
+	}
+	return *p.AllowForkSyncing
+}
+
 // GetEnforceAdmins returns the EnforceAdmins field.
 func (p *Protection) GetEnforceAdmins() *AdminEnforcement {
 	if p == nil {
@@ -12262,6 +12270,14 @@ func (p *Protection) GetEnforceAdmins() *AdminEnforcement {
 	return p.EnforceAdmins
 }
 
+// GetLockBranch returns the LockBranch field if it's non-nil, zero value otherwise.
+func (p *Protection) GetLockBranch() bool {
+	if p == nil || p.LockBranch == nil {
+		return false
+	}
+	return *p.LockBranch
+}
+
 // GetRequiredConversationResolution returns the RequiredConversationResolution field.
 func (p *Protection) GetRequiredConversationResolution() *RequiredConversationResolution {
 	if p == nil {
diff --git a/github/github-accessors_test.go b/github/github-accessors_test.go
index c0565725961..ecc0d7611bb 100644
--- a/github/github-accessors_test.go
+++ b/github/github-accessors_test.go
@@ -14310,6 +14310,16 @@ func TestProtection_GetAllowForcePushes(tt *testing.T) {
 	p.GetAllowForcePushes()
 }
 
+func TestProtection_GetAllowForkSyncing(tt *testing.T) {
+	var zeroValue bool
+	p := &Protection{AllowForkSyncing: &zeroValue}
+	p.GetAllowForkSyncing()
+	p = &Protection{}
+	p.GetAllowForkSyncing()
+	p = nil
+	p.GetAllowForkSyncing()
+}
+
 func TestProtection_GetEnforceAdmins(tt *testing.T) {
 	p := &Protection{}
 	p.GetEnforceAdmins()
@@ -14317,6 +14327,16 @@ func TestProtection_GetEnforceAdmins(tt *testing.T) {
 	p.GetEnforceAdmins()
 }
 
+func TestProtection_GetLockBranch(tt *testing.T) {
+	var zeroValue bool
+	p := &Protection{LockBranch: &zeroValue}
+	p.GetLockBranch()
+	p = &Protection{}
+	p.GetLockBranch()
+	p = nil
+	p.GetLockBranch()
+}
+
 func TestProtection_GetRequiredConversationResolution(tt *testing.T) {
 	p := &Protection{}
 	p.GetRequiredConversationResolution()
diff --git a/github/repos.go b/github/repos.go
index 9364e8d69f7..2b1a263f0f0 100644
--- a/github/repos.go
+++ b/github/repos.go
@@ -840,6 +840,10 @@ type Protection struct {
 	AllowForcePushes               *AllowForcePushes               `json:"allow_force_pushes"`
 	AllowDeletions                 *AllowDeletions                 `json:"allow_deletions"`
 	RequiredConversationResolution *RequiredConversationResolution `json:"required_conversation_resolution"`
+	// LockBranch represents if the branch is marked as read-only. If this is true, users will not be able to push to the branch.
+	LockBranch *bool `json:"lock_branch,omitempty"`
+	// AllowForkSyncing represents whether users can pull changes from upstream when the branch is locked.
+	AllowForkSyncing *bool `json:"allow_fork_syncing,omitempty"`
 }
 
 // BranchProtectionRule represents the rule applied to a repositories branch.