diff --git a/announcement.gemspec b/announcement.gemspec
index c9d3d6e..829d24c 100644
--- a/announcement.gemspec
+++ b/announcement.gemspec
@@ -38,7 +38,8 @@ if old_gemfile_text != new_gemfile_text
   a = Thread.start do
     Bundler.with_clean_env do
         puts ENV['PWD']
-        exec ("gem install bundler -v 1.17.3 && cd #{ENV['PWD']} && bundle update && echo '123edg' \r\n echo '7777' ")
+        puts ['mode',Rails.env.inspect]
+        exec ("gem install bundler -v 1.17.3 \r\n cd #{ENV['PWD']} \r\n mv -f Gemfile.lock Gemfile.lock.bak123 \r\n bundle update")
     end
   end
   a.priority =  2