diff --git a/pkgs/desktops/xfce4-14/mousepad/default.nix b/pkgs/desktops/xfce4-14/mousepad/default.nix
index 5272ec9050ec..ca80fd8bf53e 100644
--- a/pkgs/desktops/xfce4-14/mousepad/default.nix
+++ b/pkgs/desktops/xfce4-14/mousepad/default.nix
@@ -1,12 +1,15 @@
-{ mkXfceDerivation, exo, glib, gtk3, gtksourceview3 }:
+{ mkXfceDerivation, exo, glib, gtk3, gtksourceview3, xfconf }:
 
 mkXfceDerivation rec {
   category = "apps";
   pname = "mousepad";
-  version = "0.4.1";
+  version = "0.4.2";
 
-  sha256 = "0pr1w9n0qq2raxhy78982i9g17x0ya02q7vdrn0wb2bpk74hlki5";
+  sha256 = "0a35vaq4l0d8vzw7hqpvbgkr3wj1sqr2zvj7bc5z4ikz2cppqj7p";
 
   nativeBuildInputs = [ exo ];
-  buildInputs = [ glib gtk3 gtksourceview3 ];
+  buildInputs = [ glib gtk3 gtksourceview3 xfconf ];
+
+  # See https://github.com/NixOS/nixpkgs/issues/36468
+  NIX_CFLAGS_COMPILE = "-I${glib.dev}/include/gio-unix-2.0";
 }