diff --git a/Package.swift b/Package.swift
index c09ab92..f7eb332 100644
--- a/Package.swift
+++ b/Package.swift
@@ -74,5 +74,5 @@ let package = Package(
             ]
         ),
     ],
-    swiftLanguageVersions: [.v6]
+    swiftLanguageModes: [.v6]
 )