diff --git a/github/event_types.go b/github/event_types.go
index 2340a60156f..685e46f0287 100644
--- a/github/event_types.go
+++ b/github/event_types.go
@@ -469,7 +469,7 @@ type InstallationEvent struct {
 	Repositories []*Repository `json:"repositories,omitempty"`
 	Sender       *User         `json:"sender,omitempty"`
 	Installation *Installation `json:"installation,omitempty"`
-	// TODO key "requester" is not covered
+	Requester    *User         `json:"requester,omitempty"`
 }
 
 // InstallationRepositoriesEvent is triggered when a repository is added or
diff --git a/github/github-accessors.go b/github/github-accessors.go
index eea7518cbab..2add2ead390 100644
--- a/github/github-accessors.go
+++ b/github/github-accessors.go
@@ -7358,6 +7358,14 @@ func (i *InstallationEvent) GetInstallation() *Installation {
 	return i.Installation
 }
 
+// GetRequester returns the Requester field.
+func (i *InstallationEvent) GetRequester() *User {
+	if i == nil {
+		return nil
+	}
+	return i.Requester
+}
+
 // GetSender returns the Sender field.
 func (i *InstallationEvent) GetSender() *User {
 	if i == nil {
diff --git a/github/github-accessors_test.go b/github/github-accessors_test.go
index 5b2054bfeb4..ee75082382a 100644
--- a/github/github-accessors_test.go
+++ b/github/github-accessors_test.go
@@ -8634,6 +8634,13 @@ func TestInstallationEvent_GetInstallation(tt *testing.T) {
 	i.GetInstallation()
 }
 
+func TestInstallationEvent_GetRequester(tt *testing.T) {
+	i := &InstallationEvent{}
+	i.GetRequester()
+	i = nil
+	i.GetRequester()
+}
+
 func TestInstallationEvent_GetSender(tt *testing.T) {
 	i := &InstallationEvent{}
 	i.GetSender()