diff --git a/pkgs/applications/networking/mullvad-vpn/default.nix b/pkgs/applications/networking/mullvad-vpn/default.nix
index 2fa486b83a91..4a5b5708aaca 100644
--- a/pkgs/applications/networking/mullvad-vpn/default.nix
+++ b/pkgs/applications/networking/mullvad-vpn/default.nix
@@ -42,11 +42,11 @@ in
 
 stdenv.mkDerivation rec {
   pname = "mullvad-vpn";
-  version = "2021.4";
+  version = "2021.5";
 
   src = fetchurl {
     url = "https://github.com/mullvad/mullvadvpn-app/releases/download/${version}/MullvadVPN-${version}_amd64.deb";
-    sha256 = "sha256-JnHG4qD6nH2l7RCYHmb7Uszn0mrMsFtMHQ3cKpXcq00=";
+    sha256 = "186va4pllimmcqnlbry5ni8gi8p3mbpgjf7sdspmhy2hlfjvlz47";
   };
 
   nativeBuildInputs = [
@@ -72,7 +72,7 @@ stdenv.mkDerivation rec {
     mv usr/bin/* $out/bin
     mv opt/Mullvad\ VPN/* $out/share/mullvad
 
-    sed -i 's|\/opt\/Mullvad.*VPN|'$out'/bin|g' $out/share/applications/mullvad-vpn.desktop
+    sed -i 's|\/opt\/Mullvad.*VPN|env MULLVAD_DISABLE_UPDATE_NOTIFICATION=1 '$out'/bin|g' $out/share/applications/mullvad-vpn.desktop
 
     ln -s $out/share/mullvad/mullvad-{gui,vpn} $out/bin/
     ln -s $out/share/mullvad/resources/mullvad-daemon $out/bin/mullvad-daemon
@@ -87,7 +87,7 @@ stdenv.mkDerivation rec {
     changelog = "https://github.com/mullvad/mullvadvpn-app/blob/${version}/CHANGELOG.md";
     license = licenses.gpl3Only;
     platforms = [ "x86_64-linux" ];
-    maintainers = with maintainers; [ Br1ght0ne ymarkus ];
+    maintainers = with maintainers; [ Br1ght0ne ymarkus flexagoon ];
   };
 
 }