diff --git a/Package.swift b/Package.swift
index 1ec31df..6b8aa7b 100755
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:4.0
+// swift-tools-version:5.4
 import PackageDescription
 
 let package = Package(
@@ -13,8 +13,8 @@ let package = Package(
         .target(
             name: "SMLib",
             dependencies: [],
-            path: ".",
-            sources: ["Source"]
+            path: "Source",
+            exclude: ["Info-OSX.plist", "Info-iOS.plist", "Info-tvOS.plist", "Info-watchOS.plist", "SMLib.h"]
         ),
     ]
 )
diff --git a/Source/SMLib.h b/Source/SMLib.h
old mode 100755
new mode 100644