diff --git a/lib/licenses/licenses.nix b/lib/licenses/licenses.nix
index 01f530fa8044..525b2701056d 100644
--- a/lib/licenses/licenses.nix
+++ b/lib/licenses/licenses.nix
@@ -1421,9 +1421,8 @@ lib.mapAttrs mkLicense (
     };
 
     stk = {
-      shortName = "stk";
-      fullName = "Synthesis Tool Kit 4.3";
-      url = "https://github.com/thestk/stk/blob/master/LICENSE";
+      spdxId = "MIT-STK";
+      fullName = "MIT-STK License";
     };
 
     sudo = {