diff --git a/src/swift/Time.swift b/src/swift/Time.swift
index e1f2efc7d..bc93d5e72 100644
--- a/src/swift/Time.swift
+++ b/src/swift/Time.swift
@@ -16,7 +16,7 @@
 
 import CDispatch
 
-public struct DispatchTime : Comparable {
+public struct DispatchTime : Comparable, Sendable {
 #if HAVE_MACH
 	private static let timebaseInfo: mach_timebase_info_data_t = {
 		var info = mach_timebase_info_data_t(numer: 1, denom: 1)
@@ -96,7 +96,7 @@ extension DispatchTime {
 	}
 }
 
-public struct DispatchWallTime : Comparable {
+public struct DispatchWallTime : Comparable, Sendable {
 	public let rawValue: dispatch_time_t
 
 	public static func now() -> DispatchWallTime {
@@ -165,7 +165,7 @@ private func toInt64Clamped(_ value: Double) -> Int64 {
 /// 	let t1 = DispatchTimeInterval.seconds(Int.max)
 ///		let t2 = DispatchTimeInterval.milliseconds(Int.max)
 ///		let result = t1 == t2   // true
-public enum DispatchTimeInterval: Equatable {
+public enum DispatchTimeInterval: Equatable, Sendable {
 	case seconds(Int)
 	case milliseconds(Int)
 	case microseconds(Int)