diff --git a/Gemfile.lock b/Gemfile.lock
index d1f7172..8a6e086 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,7 +42,7 @@ GEM
     concurrent-ruby (1.1.8)
     crass (1.0.6)
     erubis (2.7.0)
-    execjs (2.6.0)
+    execjs (2.8.1)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
     i18n (0.9.5)
@@ -110,7 +110,7 @@ GEM
     tilt (1.4.1)
     tzinfo (1.2.10)
       thread_safe (~> 0.1)
-    uglifier (2.7.1)
+    uglifier (2.7.2)
       execjs (>= 0.3.0)
       json (>= 1.8.0)