diff --git a/build.zig b/build.zig
index 2883cb9..e507138 100644
--- a/build.zig
+++ b/build.zig
@@ -2,7 +2,7 @@ const std = @import("std");
 
 pub fn build(b: *std.Build) void {
     const target = b.standardTargetOptions(.{});
-    const optimize = b.standardOptimizeOption(.{ .preferred_optimize_mode = .ReleaseFast });
+    const optimize = b.standardOptimizeOption(.{});
 
     // 1. Define the module so other projects can import it
     _ = b.addModule("dimal", .{