diff --git a/poker/Gemfile.lock b/poker/Gemfile.lock
index db0da51..07bed57 100644
--- a/poker/Gemfile.lock
+++ b/poker/Gemfile.lock
@@ -172,7 +172,7 @@ GEM
     turbolinks-source (5.0.0)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    uglifier (3.1.9)
+    uglifier (4.1.0)
       execjs (>= 0.3.0, < 3)
     web-console (3.4.0)
       actionview (>= 5.0)