diff --git a/Gemfile.lock b/Gemfile.lock
index a75e13a171..1fa3cec09a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.3)
-    benchmark (0.4.1)
+    benchmark (0.5.0)
     coderay (1.1.3)
     concurrent-ruby (1.3.5)
     docile (1.4.1)