diff --git a/Gemfile b/Gemfile
index a008bdf..33bb563 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ source 'https://rubygems.org'
 ruby '2.4.4'
 
 gem 'redcarpet', '~> 3.2.2'
-gem 'nokogiri', '~> 1.6'
+gem 'nokogiri', '~> 1.10'
 
 gem 'rspec', group: [:development, :test]
 gem 'pry', group: [:development]
diff --git a/Gemfile.lock b/Gemfile.lock
index d38b29c..af42318 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,9 +7,9 @@ GEM
     coderay (1.1.0)
     diff-lcs (1.2.5)
     method_source (0.8.2)
-    mini_portile (0.6.2)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    mini_portile2 (2.4.0)
+    nokogiri (1.10.8)
+      mini_portile2 (~> 2.4.0)
     parser (2.2.2.6)
       ast (>= 1.1, < 3.0)
     powerpack (0.1.1)
@@ -47,7 +47,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  nokogiri (~> 1.6)
+  nokogiri (~> 1.10)
   pry
   pry-nav
   redcarpet (~> 3.2.2)