diff --git a/Sources/NIOTransportServices/NIOTSSingletons.swift b/Sources/NIOTransportServices/NIOTSSingletons.swift
index e170891..770f72c 100644
--- a/Sources/NIOTransportServices/NIOTSSingletons.swift
+++ b/Sources/NIOTransportServices/NIOTSSingletons.swift
@@ -13,6 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #if canImport(Network)
+import Dispatch
 import NIOCore
 
 @available(OSX 10.14, iOS 12.0, tvOS 12.0, watchOS 6.0, *)
diff --git a/Sources/NIOTransportServices/StateManagedNWConnectionChannel.swift b/Sources/NIOTransportServices/StateManagedNWConnectionChannel.swift
index 21fd99f..045fccd 100644
--- a/Sources/NIOTransportServices/StateManagedNWConnectionChannel.swift
+++ b/Sources/NIOTransportServices/StateManagedNWConnectionChannel.swift
@@ -13,6 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #if canImport(Network)
+import Atomics
 import Foundation
 import NIOCore
 import NIOConcurrencyHelpers
diff --git a/Tests/NIOTransportServicesTests/NIOTSConnectionChannelTests.swift b/Tests/NIOTransportServicesTests/NIOTSConnectionChannelTests.swift
index d813a1b..f9cbe1b 100644
--- a/Tests/NIOTransportServicesTests/NIOTSConnectionChannelTests.swift
+++ b/Tests/NIOTransportServicesTests/NIOTSConnectionChannelTests.swift
@@ -16,6 +16,7 @@
 import XCTest
 import Network
 import NIOCore
+import NIOFoundationCompat
 import NIOTransportServices
 import Foundation