diff --git a/nixos/modules/services/x11/desktop-managers/pantheon.nix b/nixos/modules/services/x11/desktop-managers/pantheon.nix
index 112f493b811c2..2fd8255030ac7 100644
--- a/nixos/modules/services/x11/desktop-managers/pantheon.nix
+++ b/nixos/modules/services/x11/desktop-managers/pantheon.nix
@@ -226,8 +226,9 @@ in
       environment.sessionVariables.GTK_CSD = "1";
       environment.etc."gtk-3.0/settings.ini".source = "${pkgs.pantheon.elementary-default-settings}/etc/gtk-3.0/settings.ini";
 
-      xdg.portal.extraPortals = [
-        pkgs.pantheon.elementary-files
+      xdg.portal.extraPortals = with pkgs; [
+        pantheon.elementary-files
+        xdg-desktop-portal-pantheon
       ];
 
       # Override GSettings schemas
diff --git a/pkgs/development/libraries/xdg-desktop-portal-pantheon/default.nix b/pkgs/development/libraries/xdg-desktop-portal-pantheon/default.nix
new file mode 100644
index 0000000000000..fbc8a58dc8ee9
--- /dev/null
+++ b/pkgs/development/libraries/xdg-desktop-portal-pantheon/default.nix
@@ -0,0 +1,63 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, nix-update-script
+, meson
+, ninja
+, pkg-config
+, vala
+, wrapGAppsHook
+, glib
+, gtk3
+, libhandy
+, pantheon
+, systemd
+, vte
+}:
+
+stdenv.mkDerivation rec {
+  pname = "xdg-desktop-portal-pantheon";
+  version = "1.0.0";
+
+  src = fetchFromGitHub {
+    owner = "elementary";
+    repo = "portals";
+    rev = "d12f82e6d55ea2f1555441e7f2244363b3383506";
+    sha256 = "sha256-vZ4CPyWR5QXS5uFQ1lCZmE4uvfU8IHABWVO1KHFIV5U=";
+  };
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+    vala
+    wrapGAppsHook
+  ];
+
+  buildInputs = [
+    glib
+    gtk3
+    libhandy
+    pantheon.granite
+    systemd
+    vte
+  ];
+
+  mesonFlags = [
+    "-Dsystemduserunitdir=${placeholder "out"}/lib/systemd/user"
+  ];
+
+  passthru = {
+    updateScript = nix-update-script {
+      attrPath = pname;
+    };
+  };
+
+  meta = with lib; {
+    description = "Backend implementation for xdg-desktop-portal for the Pantheon desktop environment";
+    homepage = "https://github.com/elementary/portals";
+    license = licenses.gpl3Plus;
+    platforms = platforms.linux;
+    maintainers = teams.pantheon.members;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2876e328f0e2b..66b384c948254 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -28870,6 +28870,8 @@ with pkgs;
 
   xdg-desktop-portal-gtk = callPackage ../development/libraries/xdg-desktop-portal-gtk { };
 
+  xdg-desktop-portal-pantheon = callPackage ../development/libraries/xdg-desktop-portal-pantheon { };
+
   xdg-desktop-portal-wlr = callPackage ../development/libraries/xdg-desktop-portal-wlr { };
 
   xdg-user-dirs = callPackage ../tools/X11/xdg-user-dirs { };