diff --git a/Package.swift b/Package.swift
index 83c5bd0..ec4712f 100644
--- a/Package.swift
+++ b/Package.swift
@@ -16,6 +16,7 @@ let package = Package(
             name: "InputMask",
             dependencies: [],
             path: "Source/InputMask/InputMask",
+            exclude: ["Supporting Files"],
             sources: ["Classes"]
         ),
         .testTarget(