diff --git a/Sources/Apollo/GraphQLDependencyTracker.swift b/Sources/Apollo/GraphQLDependencyTracker.swift
index 62b8d231ef..926798f48a 100644
--- a/Sources/Apollo/GraphQLDependencyTracker.swift
+++ b/Sources/Apollo/GraphQLDependencyTracker.swift
@@ -1,5 +1,6 @@
 #if !COCOAPODS
 import ApolloAPI
+import Foundation
 #endif
 
 final class GraphQLDependencyTracker: GraphQLResultAccumulator {
diff --git a/Sources/Apollo/GraphQLResultAccumulator.swift b/Sources/Apollo/GraphQLResultAccumulator.swift
index 1b8f406e9e..a63cfffa52 100644
--- a/Sources/Apollo/GraphQLResultAccumulator.swift
+++ b/Sources/Apollo/GraphQLResultAccumulator.swift
@@ -1,5 +1,6 @@
 #if !COCOAPODS
 import ApolloAPI
+import Foundation
 #endif
 
 protocol GraphQLResultAccumulator: AnyObject {