diff --git a/Gemfile.lock b/Gemfile.lock
index a4bce23..d7250b4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,6 +10,8 @@ GEM
   specs:
     addressable (2.4.0)
     ast (2.2.0)
+    childprocess (0.5.9)
+      ffi (~> 1.0, >= 1.0.11)
     codeclimate-test-reporter (0.4.8)
       simplecov (>= 0.7.1, < 1.0.0)
     colorize (0.7.7)
@@ -25,6 +27,7 @@ GEM
     docile (1.1.5)
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
+    ffi (1.9.10)
     github_api (0.13.1)
       addressable (~> 2.4.0)
       descendants_tracker (~> 0.0.4)
@@ -33,6 +36,7 @@ GEM
       multi_json (>= 1.7.5, < 2.0)
       oauth2
     hashie (3.4.3)
+    iniparse (1.4.2)
     json (1.8.3)
     jwt (1.5.1)
     multi_json (1.11.2)
@@ -44,6 +48,9 @@ GEM
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
+    overcommit (0.32.0)
+      childprocess (~> 0.5.8)
+      iniparse (~> 1.4)
     parser (2.3.0.6)
       ast (~> 2.2)
     powerpack (0.1.1)
@@ -90,6 +97,7 @@ DEPENDENCIES
   codeclimate-test-reporter (~> 0.4)
   coveralls (~> 0.8)
   github_changelog_generator!
+  overcommit (~> 0.31)
   rake (~> 10.0)
   rspec (~> 3.2)
   rubocop (~> 0.31)