diff --git a/build.zig b/build.zig
index ed88797..c4ee3c6 100755
--- a/build.zig
+++ b/build.zig
@@ -107,10 +107,25 @@ fn getRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.buil
 
         const lib = raylib.artifact("raylib");
 
-        rl.addRaygui(b, lib, b.dependency("raygui", .{
+        const raygui_dep = b.dependency("raygui", .{
             .target = target,
             .optimize = optimize,
-        }));
+        });
+
+        var gen_step = b.addWriteFiles();
+        lib.step.dependOn(&gen_step.step);
+
+        const raygui_c_path = gen_step.add("raygui.c", "#define RAYGUI_IMPLEMENTATION\n#include \"raygui.h\"\n");
+        lib.addCSourceFile(.{ .file = raygui_c_path, .flags = &[_][]const u8{
+            "-std=gnu99",
+            "-D_GNU_SOURCE",
+            "-DGL_SILENCE_DEPRECATION=199309L",
+            "-fno-sanitize=undefined", // https://github.com/raysan5/raylib/issues/3674
+        }});
+        lib.addIncludePath(raylib.path("src"));
+        lib.addIncludePath(raygui_dep.path("src"));
+
+        lib.installHeader(raygui_dep.path("src/raygui.h"), "raygui.h");
 
         b.installArtifact(lib);
         _raylib_lib_cache = lib;
diff --git a/build.zig.zon b/build.zig.zon
index 0019dfd..6b1146b 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -8,7 +8,7 @@
         },
         .raygui = .{
             .url = "https://github.com/raysan5/raygui/archive/4b3d94f5df6a5a2aa86286350f7e20c0ca35f516.tar.gz",
-            .hash = "12205f45151f556dd41348acc8a93099f19d6a2e830978ace86733ce0bfe52978812",
+            .hash = "122002d98ca255ec706ef8e5497b3723d6c6e163511761d116dac3aee87747d46cf1",
         }
     },
     .minimum_zig_version = "0.12.0",