diff --git a/pkgs/applications/video/vokoscreen-ng/default.nix b/pkgs/applications/video/vokoscreen-ng/default.nix
index d105849dba35..29b6c2c712d3 100644
--- a/pkgs/applications/video/vokoscreen-ng/default.nix
+++ b/pkgs/applications/video/vokoscreen-ng/default.nix
@@ -17,13 +17,13 @@
 
 stdenv.mkDerivation rec {
   pname = "vokoscreen-ng";
-  version = "4.0.0";
+  version = "4.2.0";
 
   src = fetchFromGitHub {
     owner = "vkohaupt";
     repo = "vokoscreenNG";
     rev = version;
-    hash = "sha256-Y6+R18Gf3ShqhsmZ4Okx02fSOOyilS6iKU5FW9wpxvY=";
+    hash = "sha256-PLgKOdSx0Kdobex5KaeCxWcindHEN9p4+xaVN/gr7Pk=";
   };
 
   qmakeFlags = [ "src/vokoscreenNG.pro" ];
@@ -48,6 +48,10 @@ stdenv.mkDerivation rec {
       --replace lrelease-qt5 lrelease
   '';
 
+  preBuild = ''
+    lrelease src/language/*.ts
+  '';
+
   postInstall = ''
     mkdir -p $out/bin $out/share/applications $out/share/icons
     cp ./vokoscreenNG $out/bin/