diff --git a/Gemfile.lock b/Gemfile.lock
index 66e9509..6139b78 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,7 +19,7 @@ GEM
     crack (0.4.2)
       safe_yaml (~> 1.0.0)
     diff-lcs (1.2.5)
-    docile (1.1.3)
+    docile (1.1.5)
     dotenv (0.10.0)
     ethon (0.7.0)
       ffi (>= 1.3.0)
@@ -28,7 +28,7 @@ GEM
     hashie (2.1.0)
     method_source (0.8.2)
     mime-types (2.2)
-    multi_json (1.9.2)
+    multi_json (1.10.1)
     pry (0.9.12.6)
       coderay (~> 1.0)
       method_source (~> 0.8)
@@ -46,9 +46,9 @@ GEM
       diff-lcs (>= 1.1.3, < 2.0)
     rspec-mocks (2.14.6)
     safe_yaml (1.0.2)
-    simplecov (0.8.2)
+    simplecov (0.9.1)
       docile (~> 1.1.0)
-      multi_json
+      multi_json (~> 1.0)
       simplecov-html (~> 0.8.0)
     simplecov-html (0.8.0)
     slop (3.5.0)
@@ -76,7 +76,7 @@ DEPENDENCIES
   rake (~> 10.1.0, >= 10.1.0)
   redcarpet (~> 3.1.0, >= 3.1.0)
   rspec (~> 2.14.1, >= 2.14.1)
-  simplecov (~> 0.8.2, >= 0.8.2)
+  simplecov (~> 0.9, >= 0.9)
   typhoeus (~> 0.6.8, >= 0.6.8)
   vcr (~> 2.9.0, >= 2.9.0)
   webmock (~> 1.17.4, >= 1.17.4)
diff --git a/circleci.gemspec b/circleci.gemspec
index 6c60b25..29daae4 100644
--- a/circleci.gemspec
+++ b/circleci.gemspec
@@ -25,7 +25,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rake',      '~> 10.1.0', '>= 10.1.0'
   s.add_development_dependency 'redcarpet', '~> 3.1.0',  '>= 3.1.0'
   s.add_development_dependency 'rspec',     '~> 2.14.1', '>= 2.14.1'
-  s.add_development_dependency 'simplecov', '~> 0.8.2',  '>= 0.8.2'
+  s.add_development_dependency 'simplecov', '~> 0.9',    '>= 0.9'
   s.add_development_dependency 'typhoeus',  '~> 0.6.8',  '>= 0.6.8'
   s.add_development_dependency 'vcr',       '~> 2.9.0',  '>= 2.9.0'
   s.add_development_dependency 'webmock',   '~> 1.17.4', '>= 1.17.4'