diff --git a/Sources/NostrSDK/Events/Calendars/CalendarListEvent.swift b/Sources/NostrSDK/Events/Calendars/CalendarListEvent.swift
index a3b7134..0dc763c 100644
--- a/Sources/NostrSDK/Events/Calendars/CalendarListEvent.swift
+++ b/Sources/NostrSDK/Events/Calendars/CalendarListEvent.swift
@@ -12,7 +12,7 @@ import Foundation
 /// One may create a calendar to segment calendar events for specific purposes. e.g., personal, work, travel, meetups, and conferences.
 ///
 /// See [NIP-52 - Calendar](https://github.com/nostr-protocol/nips/blob/master/52.md#calendar).
-public final class CalendarListEvent: NostrEvent, ParameterizedReplaceableEvent, TitleTagInterpreting {
+public final class CalendarListEvent: NostrEvent, ParameterizedReplaceableEvent, ImageTagInterpreting, TitleTagInterpreting {
     public required init(from decoder: Decoder) throws {
         try super.init(from: decoder)
     }
@@ -45,7 +45,7 @@ public extension EventCreating {
     /// - Returns: The signed ``CalendarListEvent``.
     ///
     /// See [NIP-52](https://github.com/nostr-protocol/nips/blob/master/52.md).
-    func calendarListEvent(withIdentifier identifier: String = UUID().uuidString, title: String, description: String = "", calendarEventsCoordinates: [EventCoordinates], signedBy keypair: Keypair) throws -> CalendarListEvent {
+    func calendarListEvent(withIdentifier identifier: String = UUID().uuidString, title: String, description: String = "", calendarEventsCoordinates: [EventCoordinates], imageURL: URL? = nil, signedBy keypair: Keypair) throws -> CalendarListEvent {
         guard calendarEventsCoordinates.allSatisfy({ $0.kind == .dateBasedCalendarEvent || $0.kind == .timeBasedCalendarEvent }) else {
             throw EventCreatingError.invalidInput
         }
@@ -54,7 +54,11 @@ public extension EventCreating {
             Tag(name: .identifier, value: identifier),
             Tag(name: .title, value: title)
         ]
-        
+
+        if let imageURL {
+            tags.append(Tag(name: .image, value: imageURL.absoluteString))
+        }
+
         calendarEventsCoordinates
             .filter { $0.kind == .dateBasedCalendarEvent || $0.kind == .timeBasedCalendarEvent }
             .forEach { tags.append($0.tag) }
diff --git a/Sources/NostrSDK/Events/Tags/ImageTagInterpreting.swift b/Sources/NostrSDK/Events/Tags/ImageTagInterpreting.swift
index e32e9d4..0365299 100644
--- a/Sources/NostrSDK/Events/Tags/ImageTagInterpreting.swift
+++ b/Sources/NostrSDK/Events/Tags/ImageTagInterpreting.swift
@@ -1,6 +1,6 @@
 //
 //  ImageTagInterpreting.swift
-//  
+//
 //
 //  Created by Terry Yiu on 8/4/24.
 //
diff --git a/Sources/NostrSDK/Events/Tags/SummaryTagInterpreting.swift b/Sources/NostrSDK/Events/Tags/SummaryTagInterpreting.swift
index 61c1be6..1efde3e 100644
--- a/Sources/NostrSDK/Events/Tags/SummaryTagInterpreting.swift
+++ b/Sources/NostrSDK/Events/Tags/SummaryTagInterpreting.swift
@@ -1,6 +1,6 @@
 //
 //  SummaryTagInterpreting.swift
-//  
+//
 //
 //  Created by Terry Yiu on 8/4/24.
 //
diff --git a/Tests/NostrSDKTests/Events/Calendars/CalendarListEventTests.swift b/Tests/NostrSDKTests/Events/Calendars/CalendarListEventTests.swift
index e4e86bf..4245537 100644
--- a/Tests/NostrSDKTests/Events/Calendars/CalendarListEventTests.swift
+++ b/Tests/NostrSDKTests/Events/Calendars/CalendarListEventTests.swift
@@ -24,11 +24,13 @@ final class CalendarListEventTests: XCTestCase, EventCreating, EventVerifying, F
         let identifier = "family-calendar"
         let title = "Family Calendar"
         let description = "All family events."
-        let calendar = try calendarListEvent(withIdentifier: identifier, title: title, description: description, calendarEventsCoordinates: [dateBasedCalendarEventCoordinates, timeBasedCalendarEventCoordinates], signedBy: Keypair.test)
+        let imageString = "https://nostrsdk.com/image.png"
+        let calendar = try calendarListEvent(withIdentifier: identifier, title: title, description: description, calendarEventsCoordinates: [dateBasedCalendarEventCoordinates, timeBasedCalendarEventCoordinates], imageURL: URL(string: imageString), signedBy: Keypair.test)
 
         XCTAssertEqual(calendar.identifier, identifier)
         XCTAssertEqual(calendar.title, title)
         XCTAssertEqual(calendar.content, description)
+        XCTAssertEqual(calendar.imageURL?.absoluteString, imageString)
         XCTAssertEqual(calendar.calendarEventCoordinateList, [dateBasedCalendarEventCoordinates, timeBasedCalendarEventCoordinates])
 
         let expectedReplaceableEventCoordinates = try XCTUnwrap(EventCoordinates(kind: .calendar, pubkey: Keypair.test.publicKey, identifier: identifier))
@@ -72,6 +74,8 @@ final class CalendarListEventTests: XCTestCase, EventCreating, EventVerifying, F
         XCTAssertEqual(event.title, "Family Calendar")
         XCTAssertEqual(event.content, "All family events.")
 
+        XCTAssertEqual(event.imageURL?.absoluteString, "https://nostrsdk.com/image.png")
+
         let pubkey = try XCTUnwrap(PublicKey(hex: "9947f9659dd80c3682402b612f5447e28249997fb3709500c32a585eb0977340"))
         let dateBasedCalendarEventCoordinates = try XCTUnwrap(EventCoordinates(kind: .dateBasedCalendarEvent, pubkey: pubkey, identifier: "D5EB0A5A-0B36-44DB-95C3-DB51799894E6"))
         let timeBasedCalendarEventCoordinates = try XCTUnwrap(EventCoordinates(kind: .timeBasedCalendarEvent, pubkey: pubkey, identifier: "1D355ED3-A45D-41A9-B3A5-709211794EFB"))
diff --git a/Tests/NostrSDKTests/Fixtures/calendar.json b/Tests/NostrSDKTests/Fixtures/calendar.json
index 38e2961..8acaa58 100644
--- a/Tests/NostrSDKTests/Fixtures/calendar.json
+++ b/Tests/NostrSDKTests/Fixtures/calendar.json
@@ -12,6 +12,10 @@
       "title",
       "Family Calendar"
     ],
+    [
+      "image",
+      "https://nostrsdk.com/image.png"
+    ],
     [
       "a",
       "31922:9947f9659dd80c3682402b612f5447e28249997fb3709500c32a585eb0977340:D5EB0A5A-0B36-44DB-95C3-DB51799894E6"