diff --git a/Rakefile b/Rakefile
index 0597fe8..2d81026 100644
--- a/Rakefile
+++ b/Rakefile
@@ -61,7 +61,7 @@ task :generate_test_gem => ['engine_cart:setup'] do
       system "echo '\ngem \"sqlite3\", \"< 1.7.0\"\n' >> Gemfile"
     end
 
-    Bundler.unbundled_system "bundle update --quiet"
+    Bundler.unbundled_system "bundle update --all --quiet"
     system "echo 'require \"engine_cart/rake_task\"\n' >> Rakefile"
 
     system("bundle exec rake engine_cart:prepare")
diff --git a/lib/engine_cart/tasks/engine_cart.rake b/lib/engine_cart/tasks/engine_cart.rake
index 1a94f47..7d584d0 100644
--- a/lib/engine_cart/tasks/engine_cart.rake
+++ b/lib/engine_cart/tasks/engine_cart.rake
@@ -111,7 +111,7 @@ namespace :engine_cart do
       end
 
       within_test_app do
-        unless (system("bundle install --quiet") or system("bundle update --quiet")) and
+        unless (system("bundle install --quiet") or system("bundle update --all --quiet")) and
               system "(bin/rails g | grep test_app) && bin/rails generate test_app" and
               system "bin/rails db:migrate" and
               system "bin/rails db:test:prepare"