diff --git a/manifest.json b/manifest.json
index e7c6623..86f126b 100644
--- a/manifest.json
+++ b/manifest.json
@@ -9,14 +9,14 @@
     "version": "1.4.3~ynh1",
     "url": "https://phpipam.net/",
     "upstream": {
-        "license": "GPL-3.0",
+        "license": "GPL-3.0-only",
         "website": "https://phpipam.net",
         "demo": "http://demo.phpipam.net",
         "admindoc": "https://phpipam.net/documents/",
         "userdoc": "https://yunohost.org/apps",
         "code": "https://github.com/phpipam/phpipam"
     },
-    "license": "GPL-3.0",
+    "license": "GPL-3.0-only",
     "maintainer": {
         "name": "liberodark",
         "email": "liberodark@gmail.com"