diff --git a/Gemfile.lock b/Gemfile.lock
index 43cb0278b..8213eef24 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,7 +53,7 @@ GEM
     aws-sigv4 (1.12.1)
       aws-eventstream (~> 1, >= 1.0.2)
     base64 (0.3.0)
-    benchmark (0.4.1)
+    benchmark (0.5.0)
     bigdecimal (3.2.3)
     coffee-script (2.4.1)
       coffee-script-source