diff --git a/Gemfile.lock b/Gemfile.lock
index eed0377..a723af6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.3)
-    benchmark-ips (2.14.0)
+    benchmark-ips (2.15.1)
     csv (3.3.5)
     date (3.4.1)
     diff-lcs (1.6.2)