diff --git a/Gemfile.lock b/Gemfile.lock
index 694e5c966..3cdd773fc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -510,7 +510,7 @@ GEM
     trollop (1.16.2)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    uglifier (4.1.14)
+    uglifier (4.1.15)
       execjs (>= 0.3.0, < 3)
     unicode-display_width (1.3.2)
     unicorn (5.4.0)