diff --git a/slackevents/inner_events.go b/slackevents/inner_events.go
index fb1ab132a..23f8c0e3f 100644
--- a/slackevents/inner_events.go
+++ b/slackevents/inner_events.go
@@ -256,6 +256,9 @@ type MessageEvent struct {
 	PreviousMessage *MessageEvent `json:"previous_message,omitempty"`
 	Edited          *Edited       `json:"edited,omitempty"`
 
+	// Deleted Message
+	DeletedTimeStamp string `json:"deleted_ts,omitempty"`
+
 	// Message Subtypes
 	SubType string `json:"subtype,omitempty"`