diff --git a/Gemfile.lock b/Gemfile.lock
index 0a6c00f..315433b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,9 +1,10 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.3.5)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
     builder (3.2.2)
-    faraday (0.8.8)
+    faraday (0.8.11)
       multipart-post (~> 1.2.0)
     git (1.2.6)
     github_api (0.10.1)
@@ -13,9 +14,8 @@ GEM
       multi_json (~> 1.4)
       nokogiri (~> 1.5.2)
       oauth2
-    hashie (2.0.5)
+    hashie (4.1.0)
     highline (1.6.19)
-    httpauth (0.2.0)
     jeweler (1.8.7)
       builder
       bundler (~> 1.0)
@@ -26,24 +26,23 @@ GEM
       rake
       rdoc
     json (1.8.2)
-    jwt (0.1.8)
-      multi_json (>= 1.5)
+    jwt (2.2.3)
     metaclass (0.0.1)
     mocha (0.14.0)
       metaclass (~> 0.0.1)
-    multi_json (1.7.9)
-    multi_xml (0.5.5)
+    multi_json (1.15.0)
+    multi_xml (0.6.0)
     multipart-post (1.2.0)
     nokogiri (1.5.10)
-    oauth2 (0.9.2)
-      faraday (~> 0.8)
-      httpauth (~> 0.2)
-      jwt (~> 0.1.4)
-      multi_json (~> 1.0)
+    oauth2 (1.4.7)
+      faraday (>= 0.8, < 2.0)
+      jwt (>= 1.0, < 3.0)
+      multi_json (~> 1.3)
       multi_xml (~> 0.5)
-      rack (~> 1.2)
+      rack (>= 1.2, < 3)
     power_assert (0.2.3)
-    rack (1.5.2)
+    public_suffix (4.0.6)
+    rack (2.2.3)
     rake (10.1.0)
     rdoc (4.0.1)
       json (~> 1.4)