diff --git a/composer.json b/composer.json
index 34fe7be..b7f9a58 100755
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
     "exchange"
   ],
   "homepage": "https://github.com/javanile/php-imap2",
-  "license": "MIT",
+  "license": "GPL-3.0-or-later",
   "authors": [
     {
       "name": "Francesco Bianco",
@@ -51,4 +51,4 @@
       "url": "https://github.com/roundcube"
     }
   }
-}
\ No newline at end of file
+}