diff --git a/pkgs/development/libraries/plasma-wayland-protocols/default.nix b/pkgs/development/libraries/plasma-wayland-protocols/default.nix
index fff25d5bb44f..cbac71de200e 100644
--- a/pkgs/development/libraries/plasma-wayland-protocols/default.nix
+++ b/pkgs/development/libraries/plasma-wayland-protocols/default.nix
@@ -1,15 +1,17 @@
-{ mkDerivation, fetchurl, lib
+{ mkDerivation
+, fetchurl
+, lib
 , extra-cmake-modules
 , qtbase
 }:
 
 mkDerivation rec {
   pname = "plasma-wayland-protocols";
-  version = "1.3.0";
+  version = "1.4.0";
 
   src = fetchurl {
     url = "mirror://kde/stable/${pname}/${pname}-${version}.tar.xz";
-    sha256 = "sha256-DaojYvLg0V954OAG6NfxkI6I43tcUgi0DJyw1NbcqbU=";
+    sha256 = "sha256-OLBDHZMagzk3cKu4KUIGk2tjuJzu4/DGPw8Ibz0rG6k=";
   };
 
   nativeBuildInputs = [ extra-cmake-modules ];