diff --git a/internal/crosscompile/crosscompile.go b/internal/crosscompile/crosscompile.go
index 733132a6..df20f644 100644
--- a/internal/crosscompile/crosscompile.go
+++ b/internal/crosscompile/crosscompile.go
@@ -36,8 +36,8 @@ type Export struct {
 const wasiSdkUrl = "https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-25/wasi-sdk-25.0-x86_64-macos.tar.gz"
 
 const (
-	espClangBaseUrl = "https://github.com/espressif/llvm-project/releases/download/esp-19.1.2_20250312"
-	espClangVersion = "esp-19.1.2_20250312"
+	espClangBaseUrl = "https://github.com/goplus/espressif-llvm-project-prebuilt/releases/download/19.1.2_20250805"
+	espClangVersion = "19.1.2_20250805"
 )
 
 func cacheDir() string {
diff --git a/internal/crosscompile/fetch.go b/internal/crosscompile/fetch.go
index 598b8f02..72dd166d 100644
--- a/internal/crosscompile/fetch.go
+++ b/internal/crosscompile/fetch.go
@@ -133,17 +133,10 @@ func downloadAndExtractESPClang(platformSuffix, dir string) error {
 	defer os.RemoveAll(downloadDir)
 
 	// Download clang binary package
-	clangUrl := fmt.Sprintf("%s/clang-%s-%s.tar.xz", espClangBaseUrl, espClangVersion, platformSuffix)
+	clangUrl := fmt.Sprintf("%s/clang-esp-%s-%s.tar.xz", espClangBaseUrl, espClangVersion, platformSuffix)
 	clangFile := filepath.Join(downloadDir, fmt.Sprintf("clang-%s-%s.tar.xz", espClangVersion, platformSuffix))
 	if err := downloadFile(clangUrl, clangFile); err != nil {
-		return fmt.Errorf("failed to download clang: %w", err)
-	}
-
-	// Download libs package
-	libsUrl := fmt.Sprintf("%s/libs-clang-%s-%s.tar.xz", espClangBaseUrl, espClangVersion, platformSuffix)
-	libsFile := filepath.Join(downloadDir, fmt.Sprintf("libs-clang-%s-%s.tar.xz", espClangVersion, platformSuffix))
-	if err := downloadFile(libsUrl, libsFile); err != nil {
-		return fmt.Errorf("failed to download libs: %w", err)
+		return fmt.Errorf("failed to download clang from %s: %w", clangUrl, err)
 	}
 
 	// Create extract temp directory
@@ -158,9 +151,6 @@ func downloadAndExtractESPClang(platformSuffix, dir string) error {
 	if err := extractTarXz(clangFile, extractDir); err != nil {
 		return fmt.Errorf("failed to extract clang: %w", err)
 	}
-	if err := extractTarXz(libsFile, extractDir); err != nil {
-		return fmt.Errorf("failed to extract libs: %w", err)
-	}
 
 	// Rename esp-clang directory to final destination
 	espClangDir := filepath.Join(extractDir, "esp-clang")