diff --git a/Gemfile.lock b/Gemfile.lock
index ea6bb6a..cf4c8fd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -71,7 +71,7 @@ GEM
       responders
       warden (~> 1.2.3)
     erubis (2.7.0)
-    execjs (2.5.2)
+    execjs (2.8.1)
     ffi (1.12.2)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
@@ -181,7 +181,7 @@ GEM
       coffee-rails
     tzinfo (1.2.6)
       thread_safe (~> 0.1)
-    uglifier (2.7.1)
+    uglifier (2.7.2)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
     warden (1.2.7)