diff --git a/Gemfile.lock b/Gemfile.lock
index e785ab8..b290075 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,6 @@ GEM
     debug (1.11.0)
       irb (~> 1.10)
       reline (>= 0.3.8)
-    docile (1.4.0)
     drb (2.2.3)
     erb (6.0.2)
     erubi (1.13.1)
@@ -296,12 +295,7 @@ GEM
       faraday (>= 0.17.5, < 3.a)
       jwt (>= 1.5, < 3.0)
       multi_json (~> 1.10)
-    simplecov (0.22.0)
-      docile (~> 1.1)
-      simplecov-html (~> 0.11)
-      simplecov_json_formatter (~> 0.1)
-    simplecov-html (0.12.3)
-    simplecov_json_formatter (0.1.4)
+    simplecov (1.0.1)
     stringio (3.2.0)
     thor (1.5.0)
     timeout (0.6.1)