diff --git a/github/github-accessors.go b/github/github-accessors.go
index abd2a0fe2f4..2c6c05a16bb 100644
--- a/github/github-accessors.go
+++ b/github/github-accessors.go
@@ -10388,6 +10388,22 @@ func (s *Source) GetID() int64 {
 	return *s.ID
 }
 
+// GetIssue returns the Issue field.
+func (s *Source) GetIssue() *Issue {
+	if s == nil {
+		return nil
+	}
+	return s.Issue
+}
+
+// GetType returns the Type field if it's non-nil, zero value otherwise.
+func (s *Source) GetType() string {
+	if s == nil || s.Type == nil {
+		return ""
+	}
+	return *s.Type
+}
+
 // GetURL returns the URL field if it's non-nil, zero value otherwise.
 func (s *Source) GetURL() string {
 	if s == nil || s.URL == nil {
diff --git a/github/issues_timeline.go b/github/issues_timeline.go
index 5987bd06aab..d0e4a3a9428 100644
--- a/github/issues_timeline.go
+++ b/github/issues_timeline.go
@@ -125,6 +125,8 @@ type Source struct {
 	ID    *int64  `json:"id,omitempty"`
 	URL   *string `json:"url,omitempty"`
 	Actor *User   `json:"actor,omitempty"`
+	Type  *string `json:"type,omitempty"`
+	Issue *Issue  `json:"issue,omitempty"`
 }
 
 // ListIssueTimeline lists events for the specified issue.