diff --git a/Gemfile b/Gemfile
index 36b421c..3654b99 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ gem 'friendly_id', '~> 5.1.0'
 gem 'jbuilder', '~> 2.5'
 gem 'jquery-rails'
 gem 'jquery_mask_rails', '~> 0.1.0'
-gem 'nokogiri', '~> 1.8.1'
+gem 'nokogiri', '~> 1.13.2'
 gem 'puma', '~> 3.0'
 gem 'rails', '~> 5.0.0', '>= 5.0.0.1'
 gem 'rubocop', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index e20dc37..8aea69d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -92,12 +92,13 @@ GEM
       mini_mime (>= 0.1.1)
     method_source (0.9.0)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     multi_json (1.13.1)
     nio4r (2.3.1)
-    nokogiri (1.8.3)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.2)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     parallel (1.12.1)
     parser (2.5.1.0)
       ast (~> 2.4.0)
@@ -105,6 +106,7 @@ GEM
     powerpack (0.1.2)
     public_suffix (3.0.2)
     puma (3.11.4)
+    racc (1.6.0)
     rack (2.0.5)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -225,7 +227,7 @@ DEPENDENCIES
   jquery-rails
   jquery_mask_rails (~> 0.1.0)
   listen (~> 3.0.5)
-  nokogiri (~> 1.8.1)
+  nokogiri (~> 1.13.2)
   pg
   puma (~> 3.0)
   rails (~> 5.0.0, >= 5.0.0.1)