diff --git a/Gemfile.lock b/Gemfile.lock
index 35172b08..1e4722b3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -374,7 +374,7 @@ GEM
       sync
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    uglifier (4.2.0)
+    uglifier (4.2.1)
       execjs (>= 0.3.0, < 3)
     unicode-display_width (2.6.0)
     warden (1.2.9)