diff --git a/Package.swift b/Package.swift
index 021ebf8e50..b2339f2803 100644
--- a/Package.swift
+++ b/Package.swift
@@ -566,3 +566,9 @@ if Context.environment["SWIFTCI_USE_LOCAL_DEPS"] == nil {
         .package(path: "../swift-system"),
     ]
 }
+
+for target in package.targets {
+    var settings = target.swiftSettings ?? []
+    settings.append(.enableUpcomingFeature("MemberImportVisibility"))
+    target.swiftSettings = settings
+}