diff --git a/Gemfile.lock b/Gemfile.lock
index eabb84e..9f2046c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -146,7 +146,7 @@ GEM
       eventmachine (>= 1.0.0.beta.4)
     em-synchrony (1.0.6)
       eventmachine (>= 1.0.0.beta.1)
-    erubi (1.13.0)
+    erubi (1.13.1)
     eventmachine (1.2.7)
     eventmachine_httpserver (0.2.1)
     execjs (2.9.1)