diff --git a/Package.swift b/Package.swift
index 5b50176..40a3d0b 100644
--- a/Package.swift
+++ b/Package.swift
@@ -25,6 +25,6 @@ let package = Package(
             dependencies: ["BetterCodable"]),
     ],
     swiftLanguageVersions: [
-        .version("5.1")
+        .version("5")
     ]
 )