diff --git a/Gemfile.lock b/Gemfile.lock
index f3a9f14d7..07ea5fe5f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -674,7 +674,7 @@ GEM
     turbolinks-source (5.0.0)
     tzinfo (1.2.4)
       thread_safe (~> 0.1)
-    uglifier (3.0.4)
+    uglifier (4.1.3)
       execjs (>= 0.3.0, < 3)
     unf (0.1.4)
       unf_ext