diff --git a/Gemfile b/Gemfile
index 947a7208f..13768bb74 100644
--- a/Gemfile
+++ b/Gemfile
@@ -27,7 +27,7 @@ gem "pundit"
 gem "select2-rails", "< 4" # v4 changes the generated HTML and breaks the e2e tests
 gem "sentry-sidekiq"
 gem "stringex"
-gem "uglifier"
+gem "terser"
 
 group :development do
   gem "listen"
diff --git a/Gemfile.lock b/Gemfile.lock
index 1471d124d..4f33a97de 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -757,13 +757,13 @@ GEM
     statsd-ruby (1.5.0)
     stringex (2.8.6)
     stringio (3.1.1)
+    terser (1.2.3)
+      execjs (>= 0.3.0, < 3)
     thor (1.3.2)
     timecop (0.9.10)
     timeout (0.4.1)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    uglifier (4.2.1)
-      execjs (>= 0.3.0, < 3)
     unicode-display_width (2.5.0)
     uri (0.13.0)
     version_gem (1.1.4)
@@ -831,8 +831,8 @@ DEPENDENCIES
   sentry-sidekiq
   simplecov
   stringex
+  terser
   timecop
-  uglifier
   webmock
 
 BUNDLED WITH