diff --git a/lib/spring/test/application.rb b/lib/spring/test/application.rb
index f6fe74b0..a522647f 100644
--- a/lib/spring/test/application.rb
+++ b/lib/spring/test/application.rb
@@ -94,7 +94,7 @@ def run(command, opts = {})
         Bundler.with_clean_env do
           Process.spawn(
             env,
-            command.to_s,
+            "bundle exec #{command}",
             out:   stdout.last,
             err:   stderr.last,
             in:    :close,
@@ -200,7 +200,7 @@ def run!(command, options = {})
       end
 
       def bundle
-        run! "(gem list bundler | grep bundler) || gem install bundler", timeout: nil, retry: 2
+        run! "gem list bundler | grep bundler || gem install bundler", timeout: nil, retry: 2
         run! "bundle check || bundle update --retry=2", timeout: nil
       end
 
diff --git a/lib/spring/test/application_generator.rb b/lib/spring/test/application_generator.rb
index 0c110560..95eb6596 100644
--- a/lib/spring/test/application_generator.rb
+++ b/lib/spring/test/application_generator.rb
@@ -85,10 +85,10 @@ def generate_if_missing
       def install_spring
         return if @installed
 
-        build_and_install_gems
-
         application.bundle
 
+        build_and_install_gems
+
         FileUtils.rm_rf application.path("bin")
 
         if application.path("bin_original").exist?
diff --git a/spring.gemspec b/spring.gemspec
index 20389bae..eec1a75f 100644
--- a/spring.gemspec
+++ b/spring.gemspec
@@ -13,6 +13,7 @@ Gem::Specification.new do |gem|
   gem.files         = Dir["LICENSE.txt", "README.md", "lib/**/*", "bin/*"]
   gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
 
+  gem.add_dependency 'bundler', '>= 1.0'
   gem.add_development_dependency 'activesupport', '~> 4.2.0'
   gem.add_development_dependency 'rake'
   gem.add_development_dependency 'bump'