Using a single-header C library from Zig

I followed these steps but I’m getting an error on 0.11.0

error: C import failed
const miniaudio = @cImport({
                  ^~~~~~~~

error: 'miniaudio.h' file not found
#include <miniaudio.h>
         ^
// miniaudio_impl.c
#define MINIAUDIO_IMPLEMENTATION
#include "miniaudio.h"
// main.zig
const miniaudio = @cImport({
    @cInclude("miniaudio.h");
});
// build.zig
exe.addCSourceFiles(&[_][]const u8{"src/miniaudio_impl.c"}, &[_][]const u8{ "-g", "-O3" });