diff --git a/flake.lock b/flake.lock
index 6bce6d69..d3517642 100644
--- a/flake.lock
+++ b/flake.lock
@@ -59,11 +59,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1740019556,
-        "narHash": "sha256-vn285HxnnlHLWnv59Og7muqECNMS33mWLM14soFIv2g=",
+        "lastModified": 1742800061,
+        "narHash": "sha256-oDJGK1UMArK52vcW9S5S2apeec4rbfNELgc50LqiPNs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "dad564433178067be1fbdfcce23b546254b6d641",
+        "rev": "1750f3c1c89488e2ffdd47cab9d05454dddfb734",
         "type": "github"
       },
       "original": {
diff --git a/nix/default.nix b/nix/default.nix
index d76f4af3..afe7eba0 100644
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -10,15 +10,16 @@
   wayland,
   wayland-protocols,
   wayland-scanner,
-  wlroots_0_17,
   xcbutilwm,
   xwayland,
   enableXWayland ? true,
   meson,
   ninja,
+  callPackage,
 }:
 let
   pname = "maomaowm";
+  wlroots_0_19 = callPackage ./wlroots_0_19.nix { };
 in
 stdenv.mkDerivation {
   inherit pname;
@@ -41,7 +42,7 @@ stdenv.mkDerivation {
       pixman
       wayland
       wayland-protocols
-      wlroots_0_17
+      wlroots_0_19
     ]
     ++ lib.optionals enableXWayland [
       libX11
diff --git a/nix/wlroots_0_19.nix b/nix/wlroots_0_19.nix
new file mode 100644
index 00000000..c12450e2
--- /dev/null
+++ b/nix/wlroots_0_19.nix
@@ -0,0 +1,138 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitLab,
+  meson,
+  ninja,
+  pkg-config,
+  wayland-scanner,
+  libGL,
+  wayland,
+  wayland-protocols,
+  libinput,
+  libxkbcommon,
+  pixman,
+  libcap,
+  libgbm,
+  xorg,
+  libpng,
+  ffmpeg,
+  hwdata,
+  seatd,
+  vulkan-loader,
+  glslang,
+  libliftoff,
+  libdisplay-info,
+  lcms2,
+  nixosTests,
+  testers,
+  cmake,
+
+  enableXWayland ? true,
+  xwayland ? null,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "wlroots";
+  version = "master";
+
+  inherit enableXWayland;
+
+  src = fetchFromGitLab {
+    domain = "gitlab.freedesktop.org";
+    owner = "wlroots";
+    repo = "wlroots";
+    rev = "99da6ccc87c2439b19c9298df6b72b29bbab89bb";
+    hash = "sha256-mIRUDyZYLrrxTfGq+vlLvgx3wwCbX4ogHESavCZr3TU=";
+  };
+
+  # $out for the library and $examples for the example programs (in examples):
+  outputs = [
+    "out"
+    "examples"
+  ];
+
+  strictDeps = true;
+  depsBuildBuild = [
+    pkg-config
+  ];
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+    cmake
+    wayland-scanner
+    glslang
+    hwdata
+  ];
+
+  buildInputs = [
+    ffmpeg
+    libliftoff
+    libdisplay-info
+    libGL
+    libcap
+    libinput
+    libpng
+    libxkbcommon
+    libgbm
+    pixman
+    seatd
+    vulkan-loader
+    wayland
+    wayland-protocols
+    xorg.libX11
+    xorg.xcbutilerrors
+    xorg.xcbutilimage
+    xorg.xcbutilrenderutil
+    xorg.xcbutilwm
+    lcms2
+  ] ++ lib.optional finalAttrs.enableXWayland xwayland;
+
+  mesonFlags = lib.optional (!finalAttrs.enableXWayland) "-Dxwayland=disabled";
+
+  postFixup = ''
+    # Install ALL example programs to $examples:
+    # screencopy dmabuf-capture input-inhibitor layer-shell idle-inhibit idle
+    # screenshot output-layout multi-pointer rotation tablet touch pointer
+    # simple
+    mkdir -p $examples/bin
+    cd ./examples
+    for binary in $(find . -executable -type f -printf '%P\n' | grep -vE '\.so'); do
+      cp "$binary" "$examples/bin/wlroots-$binary"
+    done
+  '';
+
+  # Test via TinyWL (the "minimum viable product" Wayland compositor based on wlroots):
+  passthru.tests = {
+    tinywl = nixosTests.tinywl;
+    pkg-config = testers.hasPkgConfigModules {
+      package = finalAttrs.finalPackage;
+    };
+  };
+
+  meta = {
+    description = "Modular Wayland compositor library";
+    longDescription = ''
+      Pluggable, composable, unopinionated modules for building a Wayland
+      compositor; or about 50,000 lines of code you were going to write anyway.
+    '';
+    inherit (finalAttrs.src.meta) homepage;
+    license = lib.licenses.mit;
+    platforms = lib.platforms.linux;
+    maintainers = with lib.maintainers; [
+      primeos
+      synthetica
+      rewine
+    ];
+    pkgConfigModules = [
+      (
+        if lib.versionOlder finalAttrs.version "0.18" then
+          "wlroots"
+        else
+          "wlroots-${lib.versions.majorMinor finalAttrs.version}"
+      )
+    ];
+  };
+})