diff --git a/Gemfile.lock b/Gemfile.lock
index fd736e1..0693629 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -302,7 +302,7 @@ GEM
     turbolinks-source (5.0.0)
     tzinfo (1.2.3)
       thread_safe (~> 0.1)
-    uglifier (3.1.12)
+    uglifier (3.1.13)
       execjs (>= 0.3.0, < 3)
     unicorn (5.3.0)
       kgio (~> 2.6)