diff --git a/Gemfile b/Gemfile
index ef8c24043..68b28d324 100644
--- a/Gemfile
+++ b/Gemfile
@@ -49,7 +49,7 @@ gem 'social-share-button', '~> 1.1'
 gem 'sprockets', '~> 3.7.2'
 gem 'turbolinks', '~> 2.5.3'
 gem 'turnout', '~> 2.4.0'
-gem 'uglifier', '~> 4.1.2'
+gem 'uglifier', '~> 4.1.19'
 gem 'unicorn', '~> 5.4.1'
 gem 'whenever', '~> 0.10.0', require: false
 gem 'globalize', '~> 5.0.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 7ac6e6c1d..f28f8a050 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -465,7 +465,7 @@ GEM
       tilt (>= 1.4, < 3)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    uglifier (4.1.3)
+    uglifier (4.1.19)
       execjs (>= 0.3.0, < 3)
     unicode-display_width (1.4.0)
     unicorn (5.4.1)
@@ -570,7 +570,7 @@ DEPENDENCIES
   sprockets (~> 3.7.2)
   turbolinks (~> 2.5.3)
   turnout (~> 2.4.0)
-  uglifier (~> 4.1.2)
+  uglifier (~> 4.1.19)
   unicorn (~> 5.4.1)
   web-console (~> 3.3.0)
   whenever (~> 0.10.0)