diff --git a/Gemfile.lock b/Gemfile.lock
index 25844f45e9..6f2939c41d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -272,7 +272,7 @@ GEM
     erubis (2.7.0)
     eventmachine (1.2.7)
     excon (0.62.0)
-    execjs (2.6.0)
+    execjs (2.7.0)
     factory_bot (4.8.2)
       activesupport (>= 3.0.0)
     factory_bot_rails (4.8.2)
@@ -713,9 +713,8 @@ GEM
       railties (> 3.2.8, < 4.0.0)
       sprockets (>= 2.0.0)
     tzinfo (0.3.54)
-    uglifier (2.7.1)
-      execjs (>= 0.3.0)
-      json (>= 1.8.0)
+    uglifier (4.1.19)
+      execjs (>= 0.3.0, < 3)
     unicode-display_width (1.3.2)
     unicorn (4.9.0)
       kgio (~> 2.6)