diff --git a/Gemfile.lock b/Gemfile.lock
index caec3a0..fb5c43a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -68,7 +68,7 @@ GEM
       bundler (~> 1.0)
       git (>= 1.2.5)
       rake
-    json (1.7.3)
+    json (2.3.1)
     libnotify (0.7.2)
     listen (0.4.2)
       rb-fchange (~> 0.0.5)
@@ -98,11 +98,6 @@ GEM
       diff-lcs (~> 1.1.3)
     rspec-mocks (2.10.1)
     sexp_processor (3.2.0)
-    simplecov (0.6.4)
-      multi_json (~> 1.0)
-      simplecov-html (~> 0.5.3)
-    simplecov-html (0.5.3)
-    simplecov-vim (0.0.1)
     slop (2.4.4)
     thor (0.15.2)
     webmock (1.8.7)
@@ -135,7 +130,5 @@ DEPENDENCIES
   pry
   rb-readline
   rspec
-  simplecov
-  simplecov-vim
   webmock
   yard (~> 0.6.0)