diff --git a/pkgs/applications/display-managers/lightdm/default.nix b/pkgs/applications/display-managers/lightdm/default.nix
index 452cb38f126a..e82d4c69def6 100644
--- a/pkgs/applications/display-managers/lightdm/default.nix
+++ b/pkgs/applications/display-managers/lightdm/default.nix
@@ -7,15 +7,15 @@
 with stdenv.lib;
 
 let
-  ver_branch = "1.22";
-  version = "1.22.0";
+  ver_branch = "1.24";
+  version = "1.24.0";
 in
 stdenv.mkDerivation rec {
   name = "lightdm-${version}";
 
   src = fetchurl {
     url = "${meta.homepage}/${ver_branch}/${version}/+download/${name}.tar.xz";
-    sha256 = "0a5bvfl2h7r873al6q7c819h0kg564k9fh51rl6489z6lyvazfg4";
+    sha256 = "18j33bm54i8k7ncxcs69zqi4105s62n58jrydqn3ikrb71s9nl6d";
   };
 
   nativeBuildInputs = [ pkgconfig intltool ];