diff --git a/github/payload.go b/github/payload.go
index a544fbb..8b95ba8 100644
--- a/github/payload.go
+++ b/github/payload.go
@@ -533,6 +533,9 @@ type CommitCommentPayload struct {
 		Type              string `json:"type"`
 		SiteAdmin         bool   `json:"site_admin"`
 	} `json:"sender"`
+	Installation *struct {
+		ID int64 `json:"id"`
+	} `json:"installation"`
 }
 
 // CreatePayload contains the information for GitHub's create hook event
@@ -2117,6 +2120,9 @@ type IssueCommentPayload struct {
 		Type              string `json:"type"`
 		SiteAdmin         bool   `json:"site_admin"`
 	} `json:"sender"`
+	Installation *struct {
+		ID int64 `json:"id"`
+	} `json:"installation"`
 }
 
 // IssuesPayload contains the information for GitHub's issues hook event
@@ -2289,6 +2295,9 @@ type IssuesPayload struct {
 		Type              string `json:"type"`
 		SiteAdmin         bool   `json:"site_admin"`
 	} `json:"sender"`
+	Installation *struct {
+		ID int64 `json:"id"`
+	} `json:"installation"`
 	Assignee *Assignee `json:"assignee"`
 	Label    *Label    `json:"label"`
 }