diff --git a/flake.lock b/flake.lock
index e6c5530..b8aa739 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1785989512,
-        "narHash": "sha256-HFQhkQcl5D1hUNoen3SGHCSFCt2Bg6uP+HgbrnA3InQ=",
+        "lastModified": 1788297115,
+        "narHash": "sha256-Z+vUNbfd2FIKkWOTkcT7RYlh3oFCnig/d2eXD1SWf2E=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "445d861c6d31b4af0c79d8d4be2331f762a361d7",
+        "rev": "a3116115851d68b8952a2a4221cc25a84e56b532",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index ef24694..b416576 100644
--- a/flake.nix
+++ b/flake.nix
@@ -49,6 +49,9 @@
       )
     )
     // {
+      checks.x86_64-linux = {
+        inherit (self.packages.x86_64-linux) proton-wineland-bin;
+      };
       overlays = import ./overlays.nix;
     };
 }
diff --git a/overlays.nix b/overlays.nix
index 97710ef..62d1833 100644
--- a/overlays.nix
+++ b/overlays.nix
@@ -10,6 +10,7 @@ let
       slang-server = final: _: final.callPackage ./pkgs/slangServer/slangServer.nix { };
       ttf2psf = final: _: final.callPackage ./pkgs/ttf2psf.nix { };
       veadotube = final: _: final.callPackage ./pkgs/veadotube.nix { };
+      proton-wineland-bin = final: _: final.callPackage ./pkgs/proton-wineland-bin.nix { };
     })
     // {
       quartus = import ./pkgs/quartus/overlay.nix;
diff --git a/pkgs/proton-wineland-bin.nix b/pkgs/proton-wineland-bin.nix
new file mode 100644
index 0000000..4b7a352
--- /dev/null
+++ b/pkgs/proton-wineland-bin.nix
@@ -0,0 +1,23 @@
+{
+  lib,
+  stdenv,
+  fetchzip,
+}:
+stdenv.mkDerivation (finalAttrs: {
+  name = "proton-wineland-bin";
+  version = "11.0-20260713.4";
+  src = fetchzip {
+    url = "https://github.com/nanomatters/proton-cachyos/releases/download/cachyos-wineland-${finalAttrs.version}-slr/proton-cachyos-wineland-${finalAttrs.version}-slr-x86_64.tar.xz";
+    hash = "sha256-OedU+SQrPv9U4huNe5ZOv+5/pBAS633VP5BWIis6l2w=";
+  };
+  installPhase = ''
+    mkdir -p $out/share/steam/compatibilitytools.d/proton-wineland
+    cp -r $src/* $out/share/steam/compatibilitytools.d/proton-wineland
+  '';
+  meta = {
+    description = "Compatibility tool for Steam Play based on Wine with Wayland improvements and additional components";
+    homepage = "https://github.com/nanomatters/proton-cachyos";
+    license = lib.licenses.bsd3;
+    platforms = [ "x86_64-linux" ];
+  };
+})