diff --git a/Gemfile b/Gemfile
index 1bffca9..31cc888 100644
--- a/Gemfile
+++ b/Gemfile
@@ -29,7 +29,7 @@ gem 'rails3-jquery-autocomplete'
 gem 'nifty-generators'
 gem 'will_paginate'
 gem 'will_paginate-bootstrap'
-gem 'nokogiri', '1.6.7'
+gem 'nokogiri', '1.12.5'
 
 gem 'bcrypt-ruby', :require => 'bcrypt'
 gem 'slim-rails'
diff --git a/Gemfile.lock b/Gemfile.lock
index d7cea73..841adbb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -149,14 +149,17 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0904)
     mini_mime (1.0.2)
-    mini_portile2 (2.0.0)
+    mini_portile2 (2.6.1)
     minitest (5.12.2)
     multi_json (1.13.1)
     multi_test (0.1.2)
     nifty-generators (0.4.6)
-    nokogiri (1.6.7)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
+    pg (1.2.3)
     public_suffix (3.1.1)
+    racc (1.5.2)
     rack (1.6.11)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -294,7 +297,8 @@ DEPENDENCIES
   jbuilder (~> 2.0)
   jquery-rails
   nifty-generators
-  nokogiri (= 1.6.7)
+  nokogiri (= 1.12.5)
+  pg
   rails (= 4.2.5)
   rails3-jquery-autocomplete
   rails_12factor
@@ -304,7 +308,7 @@ DEPENDENCIES
   selenium-webdriver
   slim-rails
   spring
-  sqlite3 (~> 1.3.6)
+  sqlite3
   turbolinks
   twitter-bootstrap-rails
   uglifier (>= 1.3.0)