diff --git a/lib/licenses.nix b/lib/licenses.nix
index fd9b4eaeb315..da5cc3a927df 100644
--- a/lib/licenses.nix
+++ b/lib/licenses.nix
@@ -87,6 +87,11 @@ rec {
     fullName = "Common Development and Distribution License 1.0";
   };
 
+  cecill20 = spdx {
+    shortName = "CECILL-2.0";
+    fullName = "CeCILL Free Software License Agreement v2.0";
+  };
+
   cecill-b = spdx {
     shortName = "CECILL-B";
     fullName  = "CeCILL-B Free Software License Agreement";