diff --git a/hosts/wenar-nix/default.nix b/hosts/wenar-nix/default.nix
index c48e127..e77d4f6 100644
--- a/hosts/wenar-nix/default.nix
+++ b/hosts/wenar-nix/default.nix
@@ -47,7 +47,15 @@
     powerManagement.finegrained = false;
     open = true;
     # https://forums.developer.nvidia.com/t/580-65-06-gtk-4-apps-hang-when-attempting-to-exit-close/341308/6
-    package = config.boot.kernelPackages.nvidiaPackages.latest;
+    # package = config.boot.kernelPackages.nvidiaPackages.beta;
+    package = config.boot.kernelPackages.nvidiaPackages.mkDriver {
+      version = "575.64.05";
+      sha256_64bit = "sha256-hfK1D5EiYcGRegss9+H5dDr/0Aj9wPIJ9NVWP3dNUC0=";
+      sha256_aarch64 = "sha256-GRE9VEEosbY7TL4HPFoyo0Ac5jgBHsZg9sBKJ4BLhsA=";
+      openSha256 = "sha256-mcbMVEyRxNyRrohgwWNylu45vIqF+flKHnmt47R//KU=";
+      settingsSha256 = "sha256-o2zUnYFUQjHOcCrB0w/4L6xI1hVUXLAWgG2Y26BowBE=";
+      persistencedSha256 = "sha256-2g5z7Pu8u2EiAh5givP5Q1Y4zk4Cbb06W37rf768NFU=";
+    };
   };
 
   hardware.xone.enable = true;