diff --git a/pkgs/by-name/gt/gtk-session-lock/package.nix b/pkgs/by-name/gt/gtk-session-lock/package.nix
new file mode 100644
index 000000000000..713c9aa3c760
--- /dev/null
+++ b/pkgs/by-name/gt/gtk-session-lock/package.nix
@@ -0,0 +1,57 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, meson
+, ninja
+, pkg-config
+, gobject-introspection
+, vala
+, gtk3
+, wayland-scanner
+, wayland
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "gtk-session-lock";
+  version = "0.2.0";
+
+  src = fetchFromGitHub {
+    owner = "Cu3PO42";
+    repo = "gtk-session-lock";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-SHKAYmdev08oRB/V6UpfSFqYwplF59IaNSOoWcACPig=";
+  };
+
+  outputs = [ "out" "dev" ];
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+    gobject-introspection
+    vala
+    wayland-scanner
+  ];
+
+  buildInputs = [
+    gtk3
+    wayland
+  ];
+
+  # Tests are not fully prepared, but may be enabled in later versions
+  doCheck = false;
+
+  strictDeps = true;
+
+  meta = {
+    description = "A library to use GTK 3 to build screen lockers using ext-session-lock-v1 protocol";
+    homepage = "https://github.com/Cu3PO42/gtk-session-lock";
+    # The author stated "GTK Session Lock is licensed under the GNU General
+    # Public License version 3.0 or any later version approved by me (Cu3PO42)."
+    # Since we don't know if the author will approve later versions, we mark gpl3Only
+    license = with lib.licenses; [ gpl3Only ];
+    maintainers = with lib.maintainers; [ aleksana ];
+    platforms = lib.platforms.unix;
+    badPlatforms = lib.platforms.darwin;
+  };
+})
diff --git a/pkgs/tools/wayland/gtklock/default.nix b/pkgs/tools/wayland/gtklock/default.nix
index 0b583ad8743e..eac509c6b3d8 100644
--- a/pkgs/tools/wayland/gtklock/default.nix
+++ b/pkgs/tools/wayland/gtklock/default.nix
@@ -1,45 +1,43 @@
 { lib
 , stdenv
 , fetchFromGitHub
-, wrapGAppsHook
-, pam
+, meson
+, ninja
 , scdoc
-, gtk3
 , pkg-config
-, gtk-layer-shell
-, glib
-, librsvg
-, wayland
-, wayland-scanner
+, wrapGAppsHook
+, gtk3
+, pam
+, gtk-session-lock
 }:
 
 stdenv.mkDerivation rec {
   pname = "gtklock";
-  version = "2.1.0";
+  version = "3.0.0";
 
   src = fetchFromGitHub {
     owner = "jovanlanik";
-    repo = pname;
+    repo = "gtklock";
     rev = "v${version}";
-    sha256 = "sha256-Jh+BmtKGaLgAcTXc44ydV83dp/W4wzByehUWyeyBoFI=";
+    hash = "sha256-B6pySjiwPBRFb4avE9NHsS1KkWMPW81DAqYro/wtrmQ=";
   };
 
   nativeBuildInputs = [
+    meson
+    ninja
     scdoc
     pkg-config
-    wayland-scanner
-    glib
     wrapGAppsHook
   ];
 
   buildInputs = [
-    wayland
     gtk3
     pam
-    gtk-layer-shell
-    librsvg
+    gtk-session-lock
   ];
 
+  strictDeps = true;
+
   installFlags = [
     "DESTDIR=$(out)"
     "PREFIX="
@@ -51,8 +49,8 @@ stdenv.mkDerivation rec {
       Important note: for gtklock to work you need to set "security.pam.services.gtklock = {};" manually.
     ''; # Following  nixpkgs/pkgs/applications/window-managers/sway/lock.nix
     homepage = "https://github.com/jovanlanik/gtklock";
-    license = licenses.gpl3;
-    maintainers = with maintainers; [ dit7ya ];
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ dit7ya aleksana ];
     platforms = platforms.linux;
     mainProgram = "gtklock";
   };