diff --git a/Gemfile b/Gemfile
index a1278c2f..b9235558 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,7 +11,7 @@ gem 'ey_config'
 gem 'rails_autolink'
 gem 'simple_form', '~> 3.1.0'
 
-gem 'nokogiri', '~> 1.6.0'
+gem 'nokogiri', '~> 1.13.6'
 gem 'rake', '~> 10.4'
 gem 'rgeo', '~> 0.3'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index a5378b21..c0e31624 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -69,12 +69,13 @@ GEM
     mail (2.7.0)
       mini_mime (>= 0.1.1)
     mini_mime (1.0.0)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     mysql2 (0.3.21)
     newrelic_rpm (3.9.9.275)
-    nokogiri (1.6.8.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pg (0.18.4)
     psych (2.0.17)
     puma (3.11.3)
@@ -367,7 +368,7 @@ DEPENDENCIES
   minitest
   mysql2 (~> 0.3.17)
   newrelic_rpm (~> 3.9.9)
-  nokogiri (~> 1.6.0)
+  nokogiri (~> 1.13.6)
   pg (~> 0.18.1)
   psych (~> 2.0.8)
   puma