diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 6090ee5c75151..64ed220be0744 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -14666,6 +14666,12 @@
     githubId = 610615;
     name = "Chih-Mao Chen";
   };
+  pkosel = {
+    name = "pkosel";
+    email = "philipp.kosel@gmail.com";
+    github = "pkosel";
+    githubId = 170943;
+  };
   pks = {
     email = "ps@pks.im";
     github = "pks-t";
diff --git a/pkgs/by-name/mo/morewaita-icon-theme/package.nix b/pkgs/by-name/mo/morewaita-icon-theme/package.nix
new file mode 100644
index 0000000000000..0225fab88b45d
--- /dev/null
+++ b/pkgs/by-name/mo/morewaita-icon-theme/package.nix
@@ -0,0 +1,41 @@
+{
+  lib,
+  stdenvNoCC,
+  fetchFromGitHub,
+  gtk3,
+  xdg-utils,
+}:
+stdenvNoCC.mkDerivation rec {
+  pname = "morewaita-icon-theme";
+  version = "43.2";
+
+  src = fetchFromGitHub {
+    owner = "somepaulo";
+    repo = "MoreWaita";
+    rev = "v${version}";
+    hash = "sha256-efeZEysuWdE1+ws3njFlhWjAjavRlMuIuSL2VT25lUk=";
+  };
+
+  nativeBuildInputs = [
+    gtk3
+    xdg-utils
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    install -d $out/share/icons/MoreWaita
+    cp -r . $out/share/icons/MoreWaita
+    gtk-update-icon-cache -f -t $out/share/icons/MoreWaita && xdg-desktop-menu forceupdate
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "An Adwaita style extra icons theme for Gnome Shell";
+    homepage = "https://github.com/somepaulo/MoreWaita";
+    license = with licenses; [ gpl3Only ];
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ pkosel ];
+  };
+}