diff --git a/test/ruby/test_symbol.rb b/test/ruby/test_symbol.rb
index 1df9f08b76..cb6ba90698 100644
--- a/test/ruby/test_symbol.rb
+++ b/test/ruby/test_symbol.rb
@@ -118,7 +118,7 @@ class TestSymbol < Test::Unit::TestCase
       assert_equal ary_ids, ary.collect(&:object_id)
     end
 
-    assert_ruby_status([], <<-"end;", timeout: 0.1)
+    assert_ruby_status([], <<-"end;", timeout: 5.0)
       GC.stress = true
       true.tap(&:itself)
     end;