diff --git a/build.zig b/build.zig
index 329d6dc..dd86e94 100644
--- a/build.zig
+++ b/build.zig
@@ -1,8 +1,11 @@
 const std = @import("std");
+const Mode = std.builtin.OptimizeMode;
 
 pub fn build(b: *std.Build) void {
     const target = b.standardTargetOptions(.{});
-    const optimize = b.standardOptimizeOption(.{});
+    const optimize = b.standardOptimizeOption(.{
+        .preferred_optimize_mode = Mode.ReleaseSmall,
+    });
 
     const exe = b.addExecutable(.{
         .name = "newtest",