diff --git a/api/Gemfile.lock b/api/Gemfile.lock
index c8d1d58..1a64017 100644
--- a/api/Gemfile.lock
+++ b/api/Gemfile.lock
@@ -93,7 +93,6 @@ GEM
     debug (1.11.1)
       irb (~> 1.10)
       reline (>= 0.3.8)
-    docile (1.4.1)
     dotenv (3.2.0)
     dotenv-rails (3.2.0)
       dotenv (= 3.2.0)
@@ -257,12 +256,7 @@ GEM
       rubocop-rails (>= 2.30)
     ruby-progressbar (1.13.0)
     securerandom (0.4.1)
-    simplecov (0.22.0)
-      docile (~> 1.1)
-      simplecov-html (~> 0.11)
-      simplecov_json_formatter (~> 0.1)
-    simplecov-html (0.13.1)
-    simplecov_json_formatter (0.1.4)
+    simplecov (1.0.2)
     stringio (3.2.0)
     thor (1.5.0)
     timeout (0.6.1)