diff --git a/Gemfile.lock b/Gemfile.lock
index 754b0a2..cedf683 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,7 +60,7 @@ GEM
     simplecov-cobertura (2.1.0)
       rexml
       simplecov (~> 0.19)
-    simplecov-html (0.12.3)
+    simplecov-html (0.13.1)
     simplecov_json_formatter (0.1.4)
     unf (0.2.0)
     vcr (6.2.0)