diff --git a/Gemfile.lock b/Gemfile.lock
index 22307ad..414dd84 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,26 +4,25 @@ GEM
     activesupport (3.2.14)
       i18n (~> 0.6, >= 0.6.4)
       multi_json (~> 1.0)
-    addressable (2.3.6)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
     builder (3.2.2)
     commander (4.1.5)
       highline (~> 1.6.11)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
     diff-lcs (1.2.4)
-    faraday (0.9.0)
+    faraday (0.17.1)
       multipart-post (>= 1.2, < 3)
     git (1.2.8)
-    github_api (0.12.2)
-      addressable (~> 2.3)
+    github_api (0.18.2)
+      addressable (~> 2.4)
       descendants_tracker (~> 0.0.4)
-      faraday (~> 0.8, < 0.10)
-      hashie (>= 3.3)
-      multi_json (>= 1.7.5, < 2.0)
-      nokogiri (~> 1.6.3)
-      oauth2
+      faraday (~> 0.8)
+      hashie (~> 3.5, >= 3.5.2)
+      oauth2 (~> 1.0)
     grocer (0.4.1)
-    hashie (3.3.2)
+    hashie (3.6.0)
     highline (1.6.19)
     i18n (0.6.5)
     jeweler (2.0.1)
@@ -37,21 +36,22 @@ GEM
       rdoc
     json (1.8.1)
     json (1.8.1-java)
-    jwt (1.2.0)
-    mini_portile (0.6.1)
-    multi_json (1.8.0)
-    multi_xml (0.5.5)
-    multipart-post (2.0.0)
-    nokogiri (1.6.5)
-      mini_portile (~> 0.6.0)
-    nokogiri (1.6.5-java)
-    oauth2 (1.0.0)
-      faraday (>= 0.8, < 0.10)
-      jwt (~> 1.0)
+    jwt (2.2.1)
+    mini_portile2 (2.4.0)
+    multi_json (1.14.1)
+    multi_xml (0.6.0)
+    multipart-post (2.1.1)
+    nokogiri (1.10.7)
+      mini_portile2 (~> 2.4.0)
+    nokogiri (1.10.7-java)
+    oauth2 (1.4.2)
+      faraday (>= 0.8, < 2.0)
+      jwt (>= 1.0, < 3.0)
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
-      rack (~> 1.2)
-    rack (1.5.2)
+      rack (>= 1.2, < 3)
+    public_suffix (4.0.1)
+    rack (2.0.8)
     rack-test (0.6.2)
       rack (>= 1.0)
     rake (10.1.0)
@@ -71,8 +71,8 @@ GEM
       simplecov-html (~> 0.7.1)
     simplecov-html (0.7.1)
     terminal-table (1.4.5)
-    thread_safe (0.3.4)
-    thread_safe (0.3.4-java)
+    thread_safe (0.3.6)
+    thread_safe (0.3.6-java)
     yard (0.8.7.2)
 
 PLATFORMS