diff --git a/package.json b/package.json
index 55ef0e4..38f3889 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,6 @@
 {
   "name": "sigpro",
   "version": "1.0.4",
-  "type": "module"
+  "type": "module",
+  "license": "MIT"
 }