diff --git a/Gemfile.lock b/Gemfile.lock
index e4b3cb8..4ae5e03 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -67,8 +67,6 @@ GEM
       treetop (~> 1.4.8)
     mime-types (1.16)
     multi_json (1.0.3)
-    mysql2 (0.3.11)
-    mysql2 (0.3.11-x86-mingw32)
     net-scp (1.0.4)
       net-ssh (>= 1.99.1)
     net-sftp (2.0.5)
@@ -86,6 +84,8 @@ GEM
       fastthread (>= 1.0.1)
       rack
       rake (>= 0.8.1)
+    pg (1.4.1)
+    pg (1.4.1-x86-mingw32)
     polyglot (0.3.2)
     rack (1.3.3)
     rack-cache (1.0.3)
@@ -135,7 +135,7 @@ GEM
       polyglot (>= 0.3.1)
     turn (0.8.2)
       ansi (>= 1.2.2)
-    tzinfo (0.3.29)
+    tzinfo (0.3.61)
     uglifier (1.0.3)
       execjs (>= 0.3.0)
       multi_json (>= 1.0.2)
@@ -149,9 +149,9 @@ DEPENDENCIES
   capistrano
   coffee-rails (~> 3.1.0)
   jquery-rails
-  mysql2
   paperclip
   passenger
+  pg
   rails (= 3.1.0)
   sass-rails (~> 3.1.0)
   sqlite3