diff --git a/railties/test/generators/app_generator_test.rb b/railties/test/generators/app_generator_test.rb
index 7c2040470f..e584c01da9 100644
--- a/railties/test/generators/app_generator_test.rb
+++ b/railties/test/generators/app_generator_test.rb
@@ -439,7 +439,7 @@ class AppGeneratorTest < Rails::Generators::TestCase
 
   def test_spring
     run_generator
-    assert_file "Gemfile", /gem 'spring'/
+    assert_file "Gemfile", /gem 'spring', \s+group: :development/
   end
 
   def test_spring_binstubs