diff --git a/Source/Siesta/Resource/Resource+Combine.swift b/Source/Siesta/Resource/Resource+Combine.swift
index 35969eea..de1e8082 100644
--- a/Source/Siesta/Resource/Resource+Combine.swift
+++ b/Source/Siesta/Resource/Resource+Combine.swift
@@ -8,6 +8,7 @@
 
 #if canImport(Combine)
 
+import Foundation
 import Combine
 
 /**