diff --git a/internal/crosscompile/compile/libc/libc_test.go b/internal/crosscompile/compile/libc/libc_test.go
index 383c116a..7b79675b 100644
--- a/internal/crosscompile/compile/libc/libc_test.go
+++ b/internal/crosscompile/compile/libc/libc_test.go
@@ -15,23 +15,23 @@ func TestGetNewlibESP32Config_LibConfig(t *testing.T) {
 		t.Errorf("Expected Name '%s', got '%s'", expectedName, config.Name)
 	}
 
-	expectedVersion := "esp-4.3.0_20250211-patch2"
+	expectedVersion := "esp-4.3.0_20250211-patch3"
 	if config.Version != expectedVersion {
 		t.Errorf("Expected Version '%s', got '%s'", expectedVersion, config.Version)
 	}
 
-	expectedUrl := "https://github.com/goplus/newlib/archive/refs/tags/esp-4.3.0_20250211-patch2.tar.gz"
+	expectedUrl := "https://github.com/goplus/newlib/archive/refs/tags/esp-4.3.0_20250211-patch3.tar.gz"
 	if config.Url != expectedUrl {
 		t.Errorf("Expected Url '%s', got '%s'", expectedUrl, config.Url)
 	}
 
-	expectedArchiveSrcDir := "newlib-esp-4.3.0_20250211-patch2"
+	expectedArchiveSrcDir := "newlib-esp-4.3.0_20250211-patch3"
 	if config.ArchiveSrcDir != expectedArchiveSrcDir {
 		t.Errorf("Expected ArchiveSrcDir '%s', got '%s'", expectedArchiveSrcDir, config.ArchiveSrcDir)
 	}
 
 	// Test String() method
-	expectedString := "newlib-esp32-esp-4.3.0_20250211-patch2"
+	expectedString := "newlib-esp32-esp-4.3.0_20250211-patch3"
 	if config.String() != expectedString {
 		t.Errorf("Expected String() '%s', got '%s'", expectedString, config.String())
 	}
diff --git a/internal/crosscompile/compile/libc/newlibesp.go b/internal/crosscompile/compile/libc/newlibesp.go
index 95f30622..a2e32149 100644
--- a/internal/crosscompile/compile/libc/newlibesp.go
+++ b/internal/crosscompile/compile/libc/newlibesp.go
@@ -27,10 +27,10 @@ func withDefaultCCFlags(ccflags []string) []string {
 
 func GetNewlibESP32Config() compile.LibConfig {
 	return compile.LibConfig{
-		Url:           "https://github.com/goplus/newlib/archive/refs/tags/esp-4.3.0_20250211-patch2.tar.gz",
+		Url:           "https://github.com/goplus/newlib/archive/refs/tags/esp-4.3.0_20250211-patch3.tar.gz",
 		Name:          "newlib-esp32",
-		Version:       "esp-4.3.0_20250211-patch2",
-		ArchiveSrcDir: "newlib-esp-4.3.0_20250211-patch2",
+		Version:       "esp-4.3.0_20250211-patch3",
+		ArchiveSrcDir: "newlib-esp-4.3.0_20250211-patch3",
 	}
 }