diff --git a/v2.5-non-rails/Gemfile.lock b/v2.5-non-rails/Gemfile.lock
index fb0d55b..9678058 100644
--- a/v2.5-non-rails/Gemfile.lock
+++ b/v2.5-non-rails/Gemfile.lock
@@ -21,7 +21,6 @@ GEM
     concurrent-ruby (1.3.7)
     connection_pool (3.0.2)
     diff-lcs (1.6.2)
-    docile (1.4.1)
     drb (2.2.3)
     erubi (1.13.1)
     ffi (1.17.4)
@@ -123,12 +122,7 @@ GEM
       rspec-support (~> 3.13.0)
     rspec-support (3.13.7)
     securerandom (0.4.1)
-    simplecov (0.22.0)
-      docile (~> 1.1)
-      simplecov-html (~> 0.11)
-      simplecov_json_formatter (~> 0.1)
-    simplecov-html (0.13.2)
-    simplecov_json_formatter (0.1.4)
+    simplecov (1.0.2)
     tilt (2.7.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)