diff --git a/package.json b/package.json
index 7a315c0..205ba19 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,6 @@
 {
   "name": "esptool-js",
+  "version": "0.1.0",
   "dependencies": {
     "crypto-js": "^4.0.0",
     "xterm": "^4.13.0"