diff --git a/Gemfile.lock b/Gemfile.lock
index ea63002d..47c8e3da 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -124,7 +124,6 @@ GEM
     csv (3.3.5)
     date (3.5.1)
     diff-lcs (1.6.2)
-    docile (1.4.0)
     drb (2.2.3)
     erubi (1.13.1)
     exception_notification (4.6.0)
@@ -332,13 +331,8 @@ GEM
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 4.0)
       websocket (~> 1.0)
-    simplecov (0.22.0)
-      docile (~> 1.1)
-      simplecov-html (~> 0.11)
-      simplecov_json_formatter (~> 0.1)
-    simplecov-html (0.12.3)
+    simplecov (1.0.2)
     simplecov-lcov (0.9.0)
-    simplecov_json_formatter (0.1.4)
     sprint_client (0.1.0)
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)