diff --git a/Gemfile b/Gemfile
index db2eecd8d..ec51950ca 100644
--- a/Gemfile
+++ b/Gemfile
@@ -57,7 +57,7 @@ gem 'idn-ruby', require: 'idn'
 gem 'kaminari', '~> 1.1'
 gem 'link_header', '~> 0.0'
 gem 'mime-types', '~> 3.2', require: 'mime/types/columnar'
-gem 'nokogiri', '~> 1.9'
+gem 'nokogiri', '~> 1.10'
 gem 'nsa', '~> 0.2'
 gem 'oj', '~> 3.7'
 gem 'ostatus2', '~> 2.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 57d4e835f..8718bc89b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -354,7 +354,7 @@ GEM
       net-ssh (>= 2.6.5)
     net-ssh (5.0.2)
     nio4r (2.3.1)
-    nokogiri (1.9.1)
+    nokogiri (1.10.0)
       mini_portile2 (~> 2.4.0)
     nokogumbo (2.0.0)
       nokogiri (~> 1.8, >= 1.8.4)
@@ -709,7 +709,7 @@ DEPENDENCIES
   microformats (~> 4.0)
   mime-types (~> 3.2)
   net-ldap (~> 0.10)
-  nokogiri (~> 1.9)
+  nokogiri (~> 1.10)
   nsa (~> 0.2)
   oj (~> 3.7)
   omniauth (~> 1.9)