diff --git a/Gemfile.lock b/Gemfile.lock
index 5431720..d902cc2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,19 +1,44 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.3.5)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
+    base64 (0.2.0)
+    bigdecimal (3.1.8)
     builder (3.2.2)
-    faraday (0.7.6)
-      addressable (~> 2.2)
-      multipart-post (~> 1.1)
-      rack (~> 1.1)
+    descendants_tracker (0.0.4)
+      thread_safe (~> 0.3, >= 0.3.1)
+    faraday (1.10.4)
+      faraday-em_http (~> 1.0)
+      faraday-em_synchrony (~> 1.0)
+      faraday-excon (~> 1.1)
+      faraday-httpclient (~> 1.0)
+      faraday-multipart (~> 1.0)
+      faraday-net_http (~> 1.0)
+      faraday-net_http_persistent (~> 1.0)
+      faraday-patron (~> 1.0)
+      faraday-rack (~> 1.0)
+      faraday-retry (~> 1.0)
+      ruby2_keywords (>= 0.0.4)
+    faraday-em_http (1.0.0)
+    faraday-em_synchrony (1.0.0)
+    faraday-excon (1.1.0)
+    faraday-httpclient (1.0.1)
+    faraday-multipart (1.0.3)
+      multipart-post (>= 1.2, < 3)
+    faraday-net_http (1.0.2)
+    faraday-net_http_persistent (1.2.0)
+    faraday-patron (1.0.0)
+    faraday-rack (1.0.0)
+    faraday-retry (1.0.3)
     git (1.2.6)
-    github_api (0.4.10)
-      faraday (~> 0.7.6)
-      hashie (~> 1.2.0)
-      multi_json (~> 1.0)
-      oauth2 (~> 0.5.2)
-    hashie (1.2.0)
+    github_api (0.19.0)
+      addressable (~> 2.4)
+      descendants_tracker (~> 0.0.4)
+      faraday (>= 0.8, < 2)
+      hashie (~> 3.5, >= 3.5.2)
+      oauth2 (~> 1.0)
+    hashie (3.6.0)
     highline (1.6.20)
     jeweler (2.0.0)
       builder
@@ -25,20 +50,37 @@ GEM
       rake
       rdoc
     json (1.8.1)
+    jwt (2.9.3)
+      base64
+    logger (1.6.1)
     metaclass (0.0.2)
-    mini_portile (0.5.2)
+    mini_portile2 (2.8.8)
     mocha (0.14.0)
       metaclass (~> 0.0.1)
-    multi_json (1.3.6)
+    multi_json (1.15.0)
+    multi_xml (0.7.1)
+      bigdecimal (~> 3.1)
     multipart-post (1.2.0)
-    nokogiri (1.6.1)
-      mini_portile (~> 0.5.0)
-    oauth2 (0.5.2)
-      faraday (~> 0.7)
-      multi_json (~> 1.0)
-    rack (1.4.1)
-    rack-protection (1.2.0)
-      rack
+    mustermann (3.0.3)
+      ruby2_keywords (~> 0.0.1)
+    nokogiri (1.16.7)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
+    oauth2 (1.4.11)
+      faraday (>= 0.17.3, < 3.0)
+      jwt (>= 1.0, < 3.0)
+      multi_json (~> 1.3)
+      multi_xml (~> 0.5)
+      rack (>= 1.2, < 4)
+    public_suffix (6.0.1)
+    racc (1.8.1)
+    rack (3.1.8)
+    rack-protection (4.1.0)
+      base64 (>= 0.1.0)
+      logger (>= 1.6.0)
+      rack (>= 3.0.0, < 4)
+    rack-session (2.0.0)
+      rack (>= 3.0.0)
     rake (10.1.1)
     rdoc (4.1.1)
       json (~> 1.4)
@@ -50,12 +92,17 @@ GEM
       redis-namespace (~> 1.0)
       sinatra (>= 0.9.2)
       vegas (~> 0.1.2)
+    ruby2_keywords (0.0.5)
     shoulda (2.10.3)
-    sinatra (1.3.3)
-      rack (~> 1.3, >= 1.3.6)
-      rack-protection (~> 1.2)
-      tilt (~> 1.3, >= 1.3.3)
-    tilt (1.3.3)
+    sinatra (4.1.0)
+      logger (>= 1.6.0)
+      mustermann (~> 3.0)
+      rack (>= 3.0.0, < 4)
+      rack-protection (= 4.1.0)
+      rack-session (>= 2.0.0, < 3)
+      tilt (~> 2.0)
+    thread_safe (0.3.6)
+    tilt (2.4.0)
     vegas (0.1.11)
       rack (>= 1.0.0)