diff --git a/Packages/Env/Package.swift b/Packages/Env/Package.swift
index d5844fbab..a7bcd5cee 100644
--- a/Packages/Env/Package.swift
+++ b/Packages/Env/Package.swift
@@ -30,7 +30,7 @@ let package = Package(
         .product(name: "KeychainSwift", package: "keychain-swift"),
       ],
       swiftSettings: [
-        .swiftLanguageMode(.v6),
+        .swiftLanguageMode(.v5),
       ]
     ),
     .testTarget(