diff --git a/Sources/HTTPTypes/HTTPRequest+URL.swift b/Sources/HTTPTypes/HTTPRequest+URL.swift
index 3f9abdf..50fae0b 100644
--- a/Sources/HTTPTypes/HTTPRequest+URL.swift
+++ b/Sources/HTTPTypes/HTTPRequest+URL.swift
@@ -19,6 +19,7 @@ import Foundation
 #endif
 
 #if canImport(CoreFoundation)
+import Foundation
 import CoreFoundation
 #endif  // canImport(CoreFoundation)