diff --git a/pkgs/by-name/sh/shader-slang/1-find-packages.patch b/pkgs/by-name/sh/shader-slang/1-find-packages.patch
index 2cab123bc9ff..351c306521f3 100644
--- a/pkgs/by-name/sh/shader-slang/1-find-packages.patch
+++ b/pkgs/by-name/sh/shader-slang/1-find-packages.patch
@@ -1,8 +1,8 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index dc281211..c36b9bcb 100644
+index a933d0ab64..fced38bc32 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -154,6 +154,8 @@ advanced_option(
+@@ -160,6 +160,8 @@ advanced_option(
      "Build using system unordered dense"
      OFF
  )
@@ -11,7 +11,7 @@ index dc281211..c36b9bcb 100644
  
  option(
      SLANG_SPIRV_HEADERS_INCLUDE_DIR
-@@ -289,6 +291,34 @@ if(${SLANG_USE_SYSTEM_UNORDERED_DENSE})
+@@ -386,6 +388,34 @@ if(${SLANG_USE_SYSTEM_UNORDERED_DENSE})
      find_package(unordered_dense CONFIG QUIET)
  endif()
  
@@ -47,10 +47,10 @@ index dc281211..c36b9bcb 100644
  
  # webgpu_dawn is only available as a fetched shared library, since Dawn's nested source
 diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
-index 43105a5f..8b9c0f14 100644
+index 55d9e4941d..ff8a244651 100644
 --- a/external/CMakeLists.txt
 +++ b/external/CMakeLists.txt
-@@ -73,19 +73,24 @@ if(NOT ${SLANG_USE_SYSTEM_SPIRV_HEADERS})
+@@ -117,6 +117,7 @@ if(NOT ${SLANG_USE_SYSTEM_SPIRV_HEADERS})
  endif()
  
  if(SLANG_ENABLE_SLANG_GLSLANG)
@@ -58,9 +58,10 @@ index 43105a5f..8b9c0f14 100644
      # SPIRV-Tools
      set(SPIRV_TOOLS_BUILD_STATIC ON)
      set(SPIRV_WERROR OFF)
-     set(SPIRV_HEADER_DIR "${CMAKE_CURRENT_LIST_DIR}/spirv-headers/")
-     set(SPIRV_SKIP_TESTS ON)
-     add_subdirectory(spirv-tools EXCLUDE_FROM_ALL ${system})
+@@ -138,11 +139,14 @@ if(SLANG_ENABLE_SLANG_GLSLANG)
+             ${system}
+         )
+     endif()
 +endif()
  
 +if(NOT ${SLANG_USE_SYSTEM_GLSLANG})
@@ -69,7 +70,12 @@ index 43105a5f..8b9c0f14 100644
      set(ENABLE_OPT ON)
      set(ENABLE_PCH OFF)
 +    set(ALLOW_EXTERNAL_SPIRV_TOOLS ${SLANG_USE_SYSTEM_SPIRV_TOOLS})
-     add_subdirectory(glslang EXCLUDE_FROM_ALL ${system})
+     if(NOT SLANG_OVERRIDE_GLSLANG_PATH)
+         add_subdirectory(glslang EXCLUDE_FROM_ALL ${system})
+     else()
+@@ -154,6 +158,7 @@ if(SLANG_ENABLE_SLANG_GLSLANG)
+         )
+     endif()
  endif()
 +endif()
  
diff --git a/pkgs/by-name/sh/shader-slang/package.nix b/pkgs/by-name/sh/shader-slang/package.nix
index 8bada528041d..10272a197a00 100644
--- a/pkgs/by-name/sh/shader-slang/package.nix
+++ b/pkgs/by-name/sh/shader-slang/package.nix
@@ -27,13 +27,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "shader-slang";
-  version = "2025.6.1";
+  version = "2025.8.1";
 
   src = fetchFromGitHub {
     owner = "shader-slang";
     repo = "slang";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-yNPAJX7OxxQLXDm3s7Hx5QA9fxy1qbAMp4LKYVqxMVM=";
+    hash = "sha256-PScbMkJJ4rh8I8ID709GKtLmd5+4Z2x2BlFEdWpoesI=";
     fetchSubmodules = true;
   };
 
@@ -144,6 +144,7 @@ stdenv.mkDerivation (finalAttrs: {
   meta = {
     description = "Shading language that makes it easier to build and maintain large shader codebases in a modular and extensible fashion";
     homepage = "https://github.com/shader-slang/slang";
+    changelog = "https://github.com/shader-slang/slang/releases/tag/v${finalAttrs.version}";
     license = with lib.licenses; [
       asl20
       llvm-exception