diff --git a/package.json b/package.json
index 8ea57c5..6c59d27 100644
--- a/package.json
+++ b/package.json
@@ -6,9 +6,10 @@
     "dist"
   ],
   "scripts": {
-    "build": "tsc && cp ./proto/services.proto ./dist/proto/",
+    "build": "tsc && yarn copy-files",
     "prepare": "npm run build",
-    "commit": "cz"
+    "commit": "cz",
+    "copy-files":"copyfiles -u 1 ./proto/services.proto ./dist/proto/"
   },
   "repository": "git@github.com:keploy/typescript-sdk.git",
   "author": "Rajat Sharma <lunasunkaiser@gmail.com>",
@@ -49,6 +50,7 @@
     "import-in-the-middle": "^1.3.4",
     "merge-descriptors": "^1.0.1",
     "node-fetch": "^2.6.7",
-    "require-in-the-middle": "^5.1.0"
+    "require-in-the-middle": "^5.1.0",
+    "copyfiles": "^2.4.1"
   }
 }