diff --git a/Package.swift b/Package.swift
index 622ec204e7d..8cba0226e38 100644
--- a/Package.swift
+++ b/Package.swift
@@ -825,6 +825,7 @@ let package = Package(
             name: "_InternalTestSupport",
             dependencies: [
                 "Basics",
+                "DriverSupport",
                 "PackageFingerprint",
                 "PackageGraph",
                 "PackageLoading",