diff --git a/wrk/zig/main.zig b/wrk/zig/main.zig
index 4570cbe..d902747 100644
--- a/wrk/zig/main.zig
+++ b/wrk/zig/main.zig
@@ -19,6 +19,6 @@ pub fn main() !void {
     // start worker threads
     zap.start(.{
         .threads = 4,
-        .workers = 4,
+        .workers = 2, // empirical tests: yield best perf on my machine
     });
 }