diff --git a/pkgs/applications/networking/protonvpn-gui/default.nix b/pkgs/applications/networking/protonvpn-gui/default.nix
index ee92f4727c70..1bbf3d6554fc 100644
--- a/pkgs/applications/networking/protonvpn-gui/default.nix
+++ b/pkgs/applications/networking/protonvpn-gui/default.nix
@@ -1,90 +1,54 @@
-{ lib, fetchFromGitHub, makeDesktopItem, makeWrapper, imagemagick
-, python3Packages, wrapGAppsHook, protonvpn-cli, gtk3, pango
-, gobject-introspection, libnotify, libappindicator-gtk3
-, procps, openvpn }:
+{ lib, fetchFromGitHub, gobject-introspection, imagemagick,
+wrapGAppsHook, python3Packages, gtk3, networkmanager, webkitgtk }:
 
-let
-  extraPath = lib.makeBinPath [ procps openvpn ];
-
-in python3Packages.buildPythonApplication rec {
+python3Packages.buildPythonApplication rec {
   pname = "protonvpn-linux-gui";
-  version = "2.1.1";
+  version = "1.4.1";
 
   src = fetchFromGitHub {
-    owner = "protonvpn";
-    repo = "linux-gui";
-    rev = "v${version}";
-    sha256 = "avo5/2eq53HSHCnnjtxrsmpURtHvxmLZn2BxActImGY=";
+    owner = "ProtonVPN";
+    repo = "linux-app";
+    rev = version;
+    sha256 = "sha256-08gXEKm8udgNltRdqvAMFL0pDCWZu/kfl1xGQtZPBCc=";
   };
 
-  desktopItem = makeDesktopItem {
-    name = "ProtonVPN";
-    desktopName = "ProtonVPN GUI";
-    type = "Application";
-    exec = "protonvpn-gui";
-    icon = "protonvpn";
-    categories = "Network;";
-    terminal = "false";
-  };
+  strictDeps = false;
 
-  trayDesktopItem = makeDesktopItem {
-    name = "ProtonVPN Tray";
-    desktopName = "ProtonVPN Tray";
-    type = "Application";
-    exec = "protonvpn-tray";
-    icon = "protonvpn";
-    categories = "Network;";
-    terminal = "false";
-  };
+  nativeBuildInputs = [
+    gobject-introspection imagemagick wrapGAppsHook
+  ];
 
-  nativeBuildInputs = [ wrapGAppsHook makeWrapper imagemagick ];
+  propagatedBuildInputs = with python3Packages; [
+    protonvpn-nm-lib
+    psutil
+  ];
 
-  propagatedBuildInputs = (with python3Packages; [
-      pygobject3
-      pycairo
-      requests
-      configparser
-    ]) ++ [
-      protonvpn-cli
-      gtk3
-      gobject-introspection
-      libnotify
-      libappindicator-gtk3
-    ];
+  buildInputs = [
+    gtk3 networkmanager webkitgtk
+  ];
 
-  prePatch = ''
-    # if pkexec is used, we want to have more time to enter password
-    substituteInPlace linux_gui/services/login_service.py --replace 'timeout=8' 'timeout=30'
-  '';
-
-  postInstall = ''
-    # wrap binaries with extra required path
-    wrapProgram "$out/bin/protonvpn-tray" --prefix PATH ":" ${extraPath}
-    wrapProgram "$out/bin/protonvpn-gui" --prefix PATH ":" ${extraPath}
-
-    # install desktop files
-    mkdir -p $out/share/applications
-    cp "$desktopItem/share/applications/ProtonVPN.desktop" $out/share/applications/protonvpn-gui.desktop
-    cp "$trayDesktopItem/share/applications/ProtonVPN Tray.desktop" $out/share/applications/protonvpn-tray.desktop
-
-    # create icons
+  postFixup = ''
+    # Setting icons
     for size in 16 32 48 64 72 96 128 192 512 1024; do
       mkdir -p $out/share/icons/hicolor/"$size"x"$size"/apps
-      convert -resize "$size"x"$size" \
-        linux_gui/resources/img/logo/protonvpn_logo.png \
-        $out/share/icons/hicolor/"$size"x"$size"/apps/protonvpn.png
+      convert -resize $size'x'$size \
+        protonvpn_gui/assets/icons/protonvpn-logo.png \
+        $out/share/icons/hicolor/$size'x'$size/apps/protonvpn.png
     done
+
+    install -Dm644 protonvpn.desktop -t $out/share/applications/
+    substituteInPlace $out/share/applications/protonvpn.desktop \
+      --replace 'protonvpn-logo' protonvpn
   '';
 
-  # no tests
+  # Project has a dummy test
   doCheck = false;
 
   meta = with lib; {
     description = "Linux GUI for ProtonVPN, written in Python";
-    homepage = "https://github.com/ProtonVPN/linux-gui";
-    maintainers = with maintainers; [ offline ];
+    homepage = "https://github.com/ProtonVPN/linux-app";
+    maintainers = with maintainers; [ offline wolfangaukang ];
     license = licenses.gpl3Plus;
     platforms = platforms.linux;
-    mainProgram = "protonvpn-gui";
   };
 }
diff --git a/pkgs/development/python-modules/proton-client/default.nix b/pkgs/development/python-modules/proton-client/default.nix
new file mode 100644
index 000000000000..c5560b3ef97c
--- /dev/null
+++ b/pkgs/development/python-modules/proton-client/default.nix
@@ -0,0 +1,50 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pythonOlder
+, bcrypt
+, pyopenssl
+, python-gnupg
+, requests
+, openssl
+}:
+
+buildPythonPackage rec {
+  pname = "proton-client";
+  version = "0.7.0";
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "ProtonMail";
+    repo = "proton-python-client";
+    rev = version;
+    sha256 = "sha256-98tEL3DUYtx27JcI6pPFS2iDJXS8K3yyvCU9UVrg1EM=";
+  };
+
+  propagatedBuildInputs = [
+    bcrypt
+    pyopenssl
+    python-gnupg
+    requests
+  ];
+
+  buildInputs = [ openssl ];
+
+  # This patch is supposed to indicate where to load OpenSSL library,
+  # but it is not working as intended.
+  #patchPhase = ''
+  #  substituteInPlace proton/srp/_ctsrp.py --replace \
+  #    "ctypes.cdll.LoadLibrary('libssl.so.10')" "'${openssl.out}/lib/libssl.so'"
+  #'';
+  # Regarding the issue above, I'm disabling tests for now
+  doCheck = false;
+
+  pythonImportsCheck = [ "proton" ];
+
+  meta = with lib; {
+    description = "Python Proton client module";
+    homepage = "https://github.com/ProtonMail/proton-python-client";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ wolfangaukang ];
+  };
+}
diff --git a/pkgs/development/python-modules/protonvpn-nm-lib/default.nix b/pkgs/development/python-modules/protonvpn-nm-lib/default.nix
new file mode 100644
index 000000000000..3a5a7695c8e6
--- /dev/null
+++ b/pkgs/development/python-modules/protonvpn-nm-lib/default.nix
@@ -0,0 +1,47 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pythonOlder
+, distro
+, jinja2
+, keyring
+, proton-client
+, pygobject3
+, pyxdg
+, systemd
+}:
+
+buildPythonPackage rec {
+  pname = "protonvpn-nm-lib";
+  version = "3.5.0";
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "ProtonVPN";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-E75toza++l5UFdOLGgolH8pL5xvoUkLE7u+8L5RDFbI=";
+  };
+
+  propagatedBuildInputs = [
+    distro
+    jinja2
+    keyring
+    proton-client
+    pygobject3
+    pyxdg
+    systemd
+  ];
+
+  # Project has a dummy test.
+  doCheck = false;
+
+  pythonImportsCheck = [ "protonvpn_nm_lib" ];
+
+  meta = with lib; {
+    description = "ProtonVPN NetworkManager Library intended for every ProtonVPN service user";
+    homepage = "https://github.com/ProtonVPN/protonvpn-nm-lib";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ wolfangaukang ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 22ad1d220a72..8ca34ed5d976 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5948,8 +5948,12 @@ in {
 
   protobuf3-to-dict = callPackage ../development/python-modules/protobuf3-to-dict { };
 
+  proton-client = callPackage ../development/python-modules/proton-client { };
+
   protonup = callPackage ../development/python-modules/protonup { };
 
+  protonvpn-nm-lib = callPackage ../development/python-modules/protonvpn-nm-lib { };
+
   prov = callPackage ../development/python-modules/prov { };
 
   prox-tv = callPackage ../development/python-modules/prox-tv { };