diff --git a/backend/Gemfile b/backend/Gemfile
index 4c89747..6980cca 100644
--- a/backend/Gemfile
+++ b/backend/Gemfile
@@ -53,5 +53,5 @@ end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
-gem 'nokogiri', '~> 1.6', '>= 1.6.8'
+gem 'nokogiri', '~> 1.12'
 gem 'pry', '~> 0.12.2'
diff --git a/backend/Gemfile.lock b/backend/Gemfile.lock
index 9c77271..94994b6 100644
--- a/backend/Gemfile.lock
+++ b/backend/Gemfile.lock
@@ -97,18 +97,20 @@ GEM
     method_source (0.9.2)
     mimemagic (0.3.4)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.14.0)
     msgpack (1.3.1)
     nio4r (2.5.2)
-    nokogiri (1.10.7)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (4.0.3)
     puma (4.3.1)
       nio4r (~> 2.0)
+    racc (1.5.2)
     rack (2.1.2)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
@@ -211,7 +213,7 @@ DEPENDENCIES
   capybara (>= 2.15)
   jbuilder (~> 2.7)
   listen (>= 3.0.5, < 3.2)
-  nokogiri (~> 1.6, >= 1.6.8)
+  nokogiri (~> 1.12)
   pry (~> 0.12.2)
   puma (~> 4.1)
   rack-cors