diff --git a/github/event_types.go b/github/event_types.go
index 6ff1eb84851..327fc561662 100644
--- a/github/event_types.go
+++ b/github/event_types.go
@@ -388,11 +388,12 @@ type GollumEvent struct {
 // EditChange represents the changes when an issue, pull request, comment,
 // or repository has been edited.
 type EditChange struct {
-	Title *EditTitle `json:"title,omitempty"`
-	Body  *EditBody  `json:"body,omitempty"`
-	Base  *EditBase  `json:"base,omitempty"`
-	Repo  *EditRepo  `json:"repository,omitempty"`
-	Owner *EditOwner `json:"owner,omitempty"`
+	Title         *EditTitle         `json:"title,omitempty"`
+	Body          *EditBody          `json:"body,omitempty"`
+	Base          *EditBase          `json:"base,omitempty"`
+	Repo          *EditRepo          `json:"repository,omitempty"`
+	Owner         *EditOwner         `json:"owner,omitempty"`
+	DefaultBranch *EditDefaultBranch `json:"default_branch,omitempty"`
 }
 
 // EditTitle represents a pull-request title change.
@@ -442,6 +443,11 @@ type EditSHA struct {
 	From *string `json:"from,omitempty"`
 }
 
+// EditDefaultBranch represents a change of repository's default branch name.
+type EditDefaultBranch struct {
+	From *string `json:"from,omitempty"`
+}
+
 // ProjectChange represents the changes when a project has been edited.
 type ProjectChange struct {
 	Name *ProjectName `json:"name,omitempty"`
diff --git a/github/github-accessors.go b/github/github-accessors.go
index 536ce5a8407..541be64a8de 100644
--- a/github/github-accessors.go
+++ b/github/github-accessors.go
@@ -6678,6 +6678,14 @@ func (e *EditChange) GetBody() *EditBody {
 	return e.Body
 }
 
+// GetDefaultBranch returns the DefaultBranch field.
+func (e *EditChange) GetDefaultBranch() *EditDefaultBranch {
+	if e == nil {
+		return nil
+	}
+	return e.DefaultBranch
+}
+
 // GetOwner returns the Owner field.
 func (e *EditChange) GetOwner() *EditOwner {
 	if e == nil {
@@ -6702,6 +6710,14 @@ func (e *EditChange) GetTitle() *EditTitle {
 	return e.Title
 }
 
+// GetFrom returns the From field if it's non-nil, zero value otherwise.
+func (e *EditDefaultBranch) GetFrom() string {
+	if e == nil || e.From == nil {
+		return ""
+	}
+	return *e.From
+}
+
 // GetOwnerInfo returns the OwnerInfo field.
 func (e *EditOwner) GetOwnerInfo() *OwnerInfo {
 	if e == nil {
diff --git a/github/github-accessors_test.go b/github/github-accessors_test.go
index abe96ecf98f..49ed8eee086 100644
--- a/github/github-accessors_test.go
+++ b/github/github-accessors_test.go
@@ -7826,6 +7826,13 @@ func TestEditChange_GetBody(tt *testing.T) {
 	e.GetBody()
 }
 
+func TestEditChange_GetDefaultBranch(tt *testing.T) {
+	e := &EditChange{}
+	e.GetDefaultBranch()
+	e = nil
+	e.GetDefaultBranch()
+}
+
 func TestEditChange_GetOwner(tt *testing.T) {
 	e := &EditChange{}
 	e.GetOwner()
@@ -7847,6 +7854,16 @@ func TestEditChange_GetTitle(tt *testing.T) {
 	e.GetTitle()
 }
 
+func TestEditDefaultBranch_GetFrom(tt *testing.T) {
+	var zeroValue string
+	e := &EditDefaultBranch{From: &zeroValue}
+	e.GetFrom()
+	e = &EditDefaultBranch{}
+	e.GetFrom()
+	e = nil
+	e.GetFrom()
+}
+
 func TestEditOwner_GetOwnerInfo(tt *testing.T) {
 	e := &EditOwner{}
 	e.GetOwnerInfo()