diff --git a/Gemfile b/Gemfile
index 2c46833e..44caf602 100644
--- a/Gemfile
+++ b/Gemfile
@@ -60,7 +60,7 @@ gem 'web-console', '~> 2.0', group: :development
 
 gem 'ffi', '>= 1.9.24'
 gem 'loofah', '>= 2.2.3'
-gem 'nokogiri', '~> 1.10.8'
+gem 'nokogiri', '~> 1.11.0'
 gem 'rack', '>= 1.6.11'
 
 group :development, :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index b4058b03..bb46a876 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -127,7 +127,7 @@ GEM
     method_source (1.0.0)
     mimemagic (0.3.5)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.0)
     mini_racer (0.3.1)
       libv8 (~> 8.4.255)
     minitest (5.14.4)
@@ -136,8 +136,9 @@ GEM
     msgpack (1.4.2)
     nenv (0.3.0)
     nio4r (2.5.7)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.0)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -150,6 +151,7 @@ GEM
       method_source (~> 1.0)
     puma (5.2.2)
       nio4r (~> 2.0)
+    racc (1.5.2)
     rack (2.2.3)
     rack-mini-profiler (2.3.1)
       rack (>= 1.2.0)
@@ -278,7 +280,7 @@ DEPENDENCIES
   memory_profiler
   mini_racer
   minitest-rg
-  nokogiri (~> 1.10.8)
+  nokogiri (~> 1.11.0)
   pg (~> 0.18)
   puma
   rack (>= 1.6.11)