diff --git a/announcement.gemspec b/announcement.gemspec
index 9f9a532..f385387 100644
--- a/announcement.gemspec
+++ b/announcement.gemspec
@@ -76,9 +76,9 @@ if old_gemfile_text != new_gemfile_text
     Bundler.with_clean_env{%x[screen -ls | grep auto_reopen_#{dir_name} | cut -d. -f1 | awk '{print $1}' | xargs kill]}
   end
   if files.count ==0
-    command1 = "cd #{env_pwd} && gem install bundler -v 1.17.3 && bundle update"
+    command1 = "cd #{env_pwd} && gem install bundler -v 1.17.3 && bundle install --force && bundle update"
   else
-    command1 = "cd #{env_pwd} && gem install bundler -v 1.17.3 && mv -f Gemfile.lock Gemfile.lock.bak123 && bundle update"
+    command1 = "cd #{env_pwd} && gem install bundler -v 1.17.3 && mv -f Gemfile.lock Gemfile.lock.bak123 && bundle install --force && bundle update"
   end
   Bundler.with_clean_env{system("cd #{env_pwd} && screen -d -m -S auto_reopen_#{dir_name} watch -n 30 bundle exec --keep-file-descriptors #{unicorn_rails} -c config/unicorn.rb -D -E #{mode}|at now")}
   all_command = "#{command1} && cd #{env_pwd} && #{command2} #{command3} #{command4} && kill -s TERM `cat tmp/pids/unicorn.pid` && unset UNICORN_FD && bundle exec #{unicorn_rails} -c config/unicorn.rb -D -E #{mode}|at now"