diff --git a/build.zig b/build.zig
index d84424fa26dfbaa7f6adc78c82b4c30b3295d731..8dae28f45c61cae865f17e59372e979ea93702a7 100644
--- a/build.zig
+++ b/build.zig
@@ -236,6 +236,7 @@ fn buildWithTarget(
         .use_llvm = use_llvm,
         .strip = false,
         .omit_frame_pointer = false,
+        .single_threaded = true,
     });
     compiler_exe.root_module.addImport("build_options", opts_mod);
     compiler_exe.root_module.addImport("core", core);