diff --git a/scripts/server/serve.cjs b/scripts/server/serve.cjs
index 3c5f63f..3eded97 100644
--- a/scripts/server/serve.cjs
+++ b/scripts/server/serve.cjs
@@ -4611,7 +4611,7 @@ const IMAGE_BACKEND_DOWNLOADS = {
   "cpu": {
     id: "cpu",
     label: "CPU",
-    url: "https://github.com/leejet/stable-diffusion.cpp/releases/download/master-669-2d40a8b/sd-master-2d40a8b-bin-win-avx2-x64.zip",
+    url: "https://github.com/leejet/stable-diffusion.cpp/releases/download/master-721-8caa3f9/sd-master-8caa3f9-bin-win-avx2-x64.zip",
     destDir: path.join(ROOT, "app", "backend", "win", "cpu"),
     exeName: "sd-cpu.exe",
     requiredDll: "stable-diffusion.dll",
@@ -4627,7 +4627,7 @@ const IMAGE_BACKEND_DOWNLOADS = {
   "cuda": {
     id: "cuda",
     label: "CUDA GPU",
-    url: "https://github.com/leejet/stable-diffusion.cpp/releases/download/master-669-2d40a8b/sd-master-2d40a8b-bin-win-cuda12-x64.zip",
+    url: "https://github.com/leejet/stable-diffusion.cpp/releases/download/master-721-8caa3f9/sd-master-8caa3f9-bin-win-cuda12-x64.zip",
     destDir: path.join(ROOT, "app", "backend", "win", "cuda"),
     exeName: "sd-cuda.exe",
     requiredDll: "stable-diffusion.dll",
diff --git a/scripts/setup/setup.ps1 b/scripts/setup/setup.ps1
index fd8f680..25a6afb 100644
--- a/scripts/setup/setup.ps1
+++ b/scripts/setup/setup.ps1
@@ -255,7 +255,7 @@ if ((Test-Path $cpuBackendExe) -and (Test-Path $cpuBackendDll)) {
     New-Item -ItemType Directory -Force -Path $cpuBackendDest | Out-Null
 
     $ok = Invoke-RichDownload `
-        -Url  "https://github.com/leejet/stable-diffusion.cpp/releases/download/master-669-2d40a8b/sd-master-2d40a8b-bin-win-avx2-x64.zip" `
+        -Url  "https://github.com/leejet/stable-diffusion.cpp/releases/download/master-721-8caa3f9/sd-master-8caa3f9-bin-win-avx2-x64.zip" `
         -Dest $cpuBackendZip `
         -Label "stable-diffusion.cpp CPU Backend (Windows x64 AVX2)"
 
@@ -306,7 +306,7 @@ if ($hasNvidia) {
         New-Item -ItemType Directory -Force -Path $backendDest | Out-Null
 
         $ok = Invoke-RichDownload `
-            -Url  "https://github.com/leejet/stable-diffusion.cpp/releases/download/master-669-2d40a8b/sd-master-2d40a8b-bin-win-cuda12-x64.zip" `
+            -Url  "https://github.com/leejet/stable-diffusion.cpp/releases/download/master-721-8caa3f9/sd-master-8caa3f9-bin-win-cuda12-x64.zip" `
             -Dest $backendZip `
             -Label "stable-diffusion.cpp CUDA Backend (Windows x64)"