diff --git a/build.zig b/build.zig
index d58c32d642..7140bb32ca 100644
--- a/build.zig
+++ b/build.zig
@@ -578,7 +578,10 @@ fn addCompilerStep(
         .root_source_file = .{ .path = "src/main.zig" },
         .target = target,
         .optimize = optimize,
-        .max_rss = 5_200_000_000,
+        .max_rss = if (target.getObjectFormat() == .macho)
+            6_350_000_000
+        else
+            5_200_000_000,
     });
     exe.stack_size = stack_size;
     exe.addAnonymousModule("aro", .{