diff --git a/package.json b/package.json
index b8cfa6c..a88bdf0 100644
--- a/package.json
+++ b/package.json
@@ -42,5 +42,8 @@
 		"@types/yazl": "^2.4.2",
 		"jasmine": "^3.6.4",
 		"typescript": "^4.1.3"
-	}
+	},
+	"files": [
+		"lib/**/*.+(js|d.ts)!(*.map)"
+	]
 }