diff --git a/test/mini_racer_test.rb b/test/mini_racer_test.rb
index 8fe9629..6b139fd 100644
--- a/test/mini_racer_test.rb
+++ b/test/mini_racer_test.rb
@@ -728,7 +728,7 @@ def test_can_dispose_context
 
   def test_estimated_size
     skip "TruffleRuby does not yet implement heap_stats" if RUBY_ENGINE == "truffleruby"
-    context = MiniRacer::Context.new(timeout: 5)
+    context = MiniRacer::Context.new(timeout: 500)
     context.eval(<<-JS)
     let a='testing';
     let f=function(foo) { foo + 42 };