diff --git a/pkgs/development/libraries/libwebsockets/default.nix b/pkgs/development/libraries/libwebsockets/default.nix
index 53aa752b96b..33c1cecfbc8 100644
--- a/pkgs/development/libraries/libwebsockets/default.nix
+++ b/pkgs/development/libraries/libwebsockets/default.nix
@@ -32,7 +32,9 @@ let
         throughput in both directions.
       '';
       homepage = "https://libwebsockets.org/";
-      license = licenses.lgpl21;
+      # Relicensed from LGPLv2.1+ to MIT with 4.0. Licensing situation
+      # is tricky, see https://github.com/warmcat/libwebsockets/blob/main/LICENSE
+      license = with licenses; [ mit publicDomain bsd3 asl20 ];
       platforms = platforms.all;
     };
   };