diff --git a/Gemfile.lock b/Gemfile.lock
index 99bddba..99070b6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -130,11 +130,10 @@ GEM
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)
     shellany (0.0.1)
-    simplecov (0.17.1)
+    simplecov (0.18.0)
       docile (~> 1.1)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
+      simplecov-html (~> 0.11.0)
+    simplecov-html (0.11.0)
     terminal-notifier (2.0.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)