diff --git a/Gemfile.lock b/Gemfile.lock
index cb9e12ea1..43cfb0e22 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -601,7 +601,7 @@ GEM
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
-    slimmer (18.6.0)
+    slimmer (18.6.1)
       json
       nokogiri (~> 1.7)
       null_logger