diff --git a/default.nix b/default.nix
index a484680..124b747 100644
--- a/default.nix
+++ b/default.nix
@@ -6,6 +6,7 @@
   vulkan-headers,
   vulkan-loader,
   llvmPackages,
+  libX11,
   libXrandr,
   libXinerama,
   libXcursor,
@@ -19,13 +20,13 @@
 
 llvmPackages.stdenv.mkDerivation {
   pname = "lsfg-vk";
-  version = "unstable-2025-07-24-c959c8f";
+  version = "unstable-2025-07-20-e67fcd3";
 
   src = fetchFromGitHub {
     owner = "PancakeTAS";
     repo = "lsfg-vk";
-    rev = "c959c8f542e416a63d5436e47e1762e8c8074285";
-    hash = "sha256-/JS97I6OgzLAPzC1CbilQAx9B1T765aMa5Pr4dVyKzk=";
+    rev = "e67fcd3dd832c9d177ad2be780e5dd0e47810bdf";
+    hash = "sha256-c0anP3lWJ2GcjJNGIHcY/sS86AS1tFk0t7vXbaEGTQg=";
     fetchSubmodules = true;
   };
 
@@ -34,7 +35,9 @@ llvmPackages.stdenv.mkDerivation {
   ];
 
   nativeBuildInputs = [
+    # clang-tools needs to come before clang so it can locate Vulkan headers correctly
     llvmPackages.clang-tools
+    llvmPackages.clang
     llvmPackages.libllvm # needed for release builds
     cmake
     ninja
@@ -45,6 +48,7 @@ llvmPackages.stdenv.mkDerivation {
   buildInputs = [
     vulkan-headers
     vulkan-loader
+    libX11
     libXrandr
     libXinerama
     libXcursor
@@ -55,7 +59,7 @@ llvmPackages.stdenv.mkDerivation {
   ];
 
   meta = with lib; {
-    description = "Vulkan layer for frame generation (Requires owning Lossless Scaling)";
+    description = "Vulkan layer for frame generation (Requires Lossless Scaling install)";
     homepage = "https://github.com/PancakeTAS/lsfg-vk/";
     license = licenses.mit;
     platforms = platforms.linux;