diff --git a/pkgs/os-specific/linux/nvidia-x11/builder.sh b/pkgs/os-specific/linux/nvidia-x11/builder.sh
index aa39091070e..e107379363b 100755
--- a/pkgs/os-specific/linux/nvidia-x11/builder.sh
+++ b/pkgs/os-specific/linux/nvidia-x11/builder.sh
@@ -104,7 +104,6 @@ installPhase() {
 
         # Test a bit.
         $out/bin/nvidia-settings --version
-        $out/bin/nvidia-smi --help > /dev/null
     fi
 }
 
diff --git a/pkgs/os-specific/linux/nvidia-x11/default.nix b/pkgs/os-specific/linux/nvidia-x11/default.nix
index 0c0f6ecc71e..7176cb2b941 100644
--- a/pkgs/os-specific/linux/nvidia-x11/default.nix
+++ b/pkgs/os-specific/linux/nvidia-x11/default.nix
@@ -12,7 +12,7 @@ assert (!libsOnly) -> kernel != null;
 
 let
 
-  versionNumber = "331.79";
+  versionNumber = "340.24";
 
 in
 
@@ -25,12 +25,12 @@ stdenv.mkDerivation {
     if stdenv.system == "i686-linux" then
       fetchurl {
         url = "http://us.download.nvidia.com/XFree86/Linux-x86/${versionNumber}/NVIDIA-Linux-x86-${versionNumber}.run";
-        sha256 = "0dl6gj1k6rz7bzyflfgi8y4489bxv03gfcni7zjzy440xjm3sk9l";
+        sha256 = "0c5iix6rihbx7mbfhznz0jjbc3kkccwyfxi56p76fvrbyan9dvam";
       }
     else if stdenv.system == "x86_64-linux" then
       fetchurl {
         url = "http://us.download.nvidia.com/XFree86/Linux-x86_64/${versionNumber}/NVIDIA-Linux-x86_64-${versionNumber}-no-compat32.run";
-        sha256 = "14mwxz12kd5znnrmwia4qk35sd7xpr6cgpxs1xzjwmjgvz6gc71v";
+        sha256 = "04yy26722fjf9k7y6r909g68nqnsglfd9xs1dk1nain1021p70iq";
       }
     else throw "nvidia-x11 does not support platform ${stdenv.system}";