diff --git a/lib/licenses.nix b/lib/licenses.nix
index c91b0c21a061..3708b1eb15cf 100644
--- a/lib/licenses.nix
+++ b/lib/licenses.nix
@@ -188,7 +188,7 @@ lib.mapAttrs (n: v: v // { shortName = n; }) rec {
 
   fdl13 = spdx {
     spdxId = "GFDL-1.3";
-    fullName = "GNU Free Documentation License v1.2";
+    fullName = "GNU Free Documentation License v1.3";
   };
 
   free = {