diff --git a/Gemfile b/Gemfile
index 97953b0..1b243ea 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'http://rubygems.org'
 
-ruby '2.2.4'
+ruby '2.3.0'
 
 gem 'slack-ruby-bot'
 gem 'wolfram'
diff --git a/Gemfile.lock b/Gemfile.lock
index f6e0847..a733c86 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,6 +9,8 @@ GEM
       tzinfo (~> 1.1)
     addressable (2.3.8)
     diff-lcs (1.2.5)
+    domain_name (0.5.25)
+      unf (>= 0.0.5, < 1.0.0)
     eventmachine (1.0.7)
     faraday (0.9.1)
       multipart-post (>= 1.2, < 3)
@@ -29,15 +31,30 @@ GEM
       faraday_middleware-parse_oj (~> 0.3)
       launchy (~> 2.4)
     hashie (3.4.2)
+    http-cookie (1.0.2)
+      domain_name (~> 0.5)
     i18n (0.7.0)
     json (1.8.3)
     launchy (2.4.3)
       addressable (~> 2.3)
+    mechanize (2.7.4)
+      domain_name (~> 0.5, >= 0.5.1)
+      http-cookie (~> 1.0)
+      mime-types (>= 1.17.2, < 3)
+      net-http-digest_auth (~> 1.1, >= 1.1.1)
+      net-http-persistent (~> 2.5, >= 2.5.2)
+      nokogiri (~> 1.6)
+      ntlm-http (~> 0.1, >= 0.1.1)
+      webrobots (>= 0.0.9, < 0.2)
+    mime-types (2.99)
     mini_portile (0.6.2)
     minitest (5.7.0)
     multipart-post (2.0.0)
+    net-http-digest_auth (1.4)
+    net-http-persistent (2.9.4)
     nokogiri (1.6.6.4)
       mini_portile (~> 0.6.0)
+    ntlm-http (0.1.1)
     oj (2.12.10)
     puma (2.12.2)
     rack (1.6.4)
@@ -79,6 +96,10 @@ GEM
     tilt (2.0.1)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.7.1)
+    webrobots (0.1.2)
     websocket-driver (0.5.4)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.2)
@@ -90,6 +111,8 @@ PLATFORMS
 
 DEPENDENCIES
   foreman
+  mechanize
+  nokogiri
   puma
   rack-test
   rake
@@ -99,4 +122,4 @@ DEPENDENCIES
   wolfram
 
 BUNDLED WITH
-   1.10.6
+   1.11.2