Rapns error

1.9.3-p392 :014 > Rapns.push
   (0.3ms)  SELECT COUNT(*) FROM "rapns_apps" 
  Rapns::App Load (0.2ms)  SELECT "rapns_apps".* FROM "rapns_apps" 
  Rapns::Notification Load (0.5ms)  SELECT "rapns_notifications".* FROM "rapns_notifications" WHERE "rapns_notifications"."app_id" IN (1) AND (delivered = 'f' AND failed = 'f' AND (deliver_after IS NULL OR deliver_after < '2013-04-18 05:23:53.736935'))
  Rapns::App Load (0.2ms)  SELECT "rapns_apps".* FROM "rapns_apps" WHERE "rapns_apps"."id" = 1 LIMIT 1
[2013-04-18 07:23:54] [ERROR] OpenSSL::SSL::SSLError, SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed
/usr/local/rvm/gems/ruby-1.9.3-p392/gems/net-http-persistent-2.8/lib/net/http/persistent/ssl_reuse.rb:70:in `connect'
/usr/local/rvm/gems/ruby-1.9.3-p392/gems/net-http-persistent-2.8/lib/net/http/persistent/ssl_reuse.rb:70:in `block in connect'
/usr/local/rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/timeout.rb:54:in `timeout'
/usr/local/rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/timeout.rb:99:in `timeout'
/usr/local/rvm/gems/ruby-1.9.3-p392/gems/net-http-persistent-2.8/lib/net/http/persistent/ssl_reuse.rb:70:in `connect'
/usr/local/rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/net/http.rb:755:in `do_start'
/usr/local/rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/net/http.rb:750:in `start'
/usr/local/rvm/gems/ruby-1.9.3-p392/gems/net-http-persistent-2.8/lib/net/http/persistent.rb:628:in `start'
/usr/local/rvm/gems/ruby-1.9.3-p392/gems/net-http-persistent-2.8/lib/net/http/persistent.rb:570:in `connection_for'
/usr/local/rvm/gems/ruby-1.9.3-p392/gems/net-http-persistent-2.8/lib/net/http/persistent.rb:926:in `request'
/usr/local/rvm/gems/ruby-1.9.3-p392/gems/rapns-3.2.0/lib/rapns/daemon/gcm/delivery.rb:146:in `do_post'
/usr/local/rvm/gems/ruby-1.9.3-p392/gems/rapns-3.2.0/lib/rapns/daemon/gcm/delivery.rb:19:in `perform'
/usr/local/rvm/gems/ruby-1.9.3-p392/gems/rapns-3.2.0/lib/rapns/daemon/delivery.rb:8:in `perform'
/usr/local/rvm/gems/ruby-1.9.3-p392/gems/rapns-3.2.0/lib/rapns/daemon/gcm/delivery_handler.rb:11:in `deliver'
/usr/local/rvm/gems/ruby-1.9.3-p392/gems/rapns-3.2.0/lib/rapns/daemon/delivery_handler.rb:39:in `handle_next_notification'
/usr/local/rvm/gems/ruby-1.9.3-p392/gems/rapns-3.2.0/lib/rapns/daemon/delivery_handler.rb:11:in `block (2 levels) in start'
/usr/local/rvm/gems/ruby-1.9.3-p392/gems/rapns-3.2.0/lib/rapns/daemon/delivery_handler.rb:10:in `loop'
/usr/local/rvm/gems/ruby-1.9.3-p392/gems/rapns-3.2.0/lib/rapns/daemon/delivery_handler.rb:10:in `block in start'