diff --git a/Gemfile.lock b/Gemfile.lock
index a9b5802..65ed7f3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,25 +43,42 @@ GEM
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     arel (6.0.3)
-    builder (3.2.2)
+    builder (3.2.4)
     concurrent-ruby (1.0.2)
+    crass (1.0.6)
+    date (3.3.4)
     erubis (2.7.0)
-    globalid (0.3.6)
-      activesupport (>= 4.1.0)
-    i18n (0.7.0)
-    json (1.8.3)
-    loofah (2.0.3)
-      nokogiri (>= 1.5.9)
-    mail (2.6.4)
-      mime-types (>= 1.16, < 4)
-    mime-types (3.0)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0221)
-    mini_portile2 (2.0.0)
-    minitest (5.8.4)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
-    rack (1.6.4)
+    globalid (0.4.2)
+      activesupport (>= 4.2.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    json (1.8.6)
+    loofah (2.22.0)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.12.0)
+    mail (2.8.1)
+      mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
+    mini_mime (1.1.5)
+    mini_portile2 (2.8.5)
+    minitest (5.22.3)
+    net-imap (0.4.10)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.2)
+      timeout
+    net-smtp (0.4.0.1)
+      net-protocol
+    nokogiri (1.16.3)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
+    pg (0.21.0)
+    racc (1.7.3)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.5)
@@ -75,14 +92,15 @@ GEM
       bundler (>= 1.3.0, < 2.0)
       railties (= 4.2.5)
       sprockets-rails
-    rails-deprecated_sanitizer (1.0.3)
+    rails-deprecated_sanitizer (1.0.4)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.7)
-      activesupport (>= 4.2.0.beta, < 5.0)
-      nokogiri (~> 1.6.0)
+    rails-dom-testing (1.0.9)
+      activesupport (>= 4.2.0, < 5.0)
+      nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.6.0)
+      loofah (~> 2.21)
+      nokogiri (~> 1.14)
     railties (4.2.5)
       actionpack (= 4.2.5)
       activesupport (= 4.2.5)
@@ -98,8 +116,9 @@ GEM
       sprockets (>= 3.0.0)
     sqlite3 (1.3.10)
     thor (0.19.1)
-    thread_safe (0.3.5)
-    tzinfo (1.2.2)
+    thread_safe (0.3.6)
+    timeout (0.4.1)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
 
 PLATFORMS
@@ -107,6 +126,7 @@ PLATFORMS
 
 DEPENDENCIES
   bulk_insert!
+  pg (< 1.0)
   rails (>= 4.2.0)
   sqlite3