diff --git a/Gemfile b/Gemfile
index 85d3cc181..60525d7cf 100644
--- a/Gemfile
+++ b/Gemfile
@@ -44,7 +44,7 @@ gem "sidekiq-cron", "1.0.4"
 
 # Compression
 
-gem "uglifier", "4.1.8"
+gem "uglifier", "4.1.19"
 
 # Configuration
 
diff --git a/Gemfile.lock b/Gemfile.lock
index aa13890b3..2fd1f437e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -715,7 +715,7 @@ GEM
       ethon (>= 0.9.0)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    uglifier (4.1.8)
+    uglifier (4.1.19)
       execjs (>= 0.3.0, < 3)
     unf (0.1.4)
       unf_ext
@@ -895,7 +895,7 @@ DEPENDENCIES
   twitter (= 6.2.0)
   twitter-text (= 1.14.7)
   typhoeus (= 1.3.0)
-  uglifier (= 4.1.8)
+  uglifier (= 4.1.19)
   unicorn (= 5.4.1)
   unicorn-worker-killer (= 0.4.4)
   uuid (= 2.3.8)