diff --git a/manifest.json b/manifest.json
index 14f43f7..bdd581c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -8,7 +8,7 @@
     },
     "version": "1.12.0",
     "url": "https://psi.cx/tags/PsiTransfer/",
-    "license": "GPLv3",
+    "license": "GPL-3.0",
     "maintainer": {
         "name": "frju365",
         "email": "win10@tutanota.com",