diff --git a/Gemfile b/Gemfile
index 697d95b..92517ac 100644
--- a/Gemfile
+++ b/Gemfile
@@ -26,7 +26,7 @@ gem 'figaro'
 gem 'showdown-rails'
 gem 'puma'
 gem 'exception_notification'
-gem 'nokogiri', '1.6.7.2'
+gem 'nokogiri', '1.13.3'
 
 group :development do
   gem 'quiet_assets'
diff --git a/Gemfile.lock b/Gemfile.lock
index 4c5fe0b..c201d7e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -166,7 +166,7 @@ GEM
     mail (2.7.1)
       mini_mime (>= 0.1.1)
     mini_mime (1.1.0)
-    mini_portile2 (2.0.0)
+    mini_portile2 (2.8.0)
     minitest (5.14.4)
     multi_json (1.11.2)
     multi_xml (0.5.5)
@@ -174,8 +174,9 @@ GEM
     net-scp (3.0.0)
       net-ssh (>= 2.6.5, < 7.0.0)
     net-ssh (6.1.0)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.13.3)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     oauth2 (1.1.0)
       faraday (>= 0.8, < 0.10)
       jwt (~> 1.0, < 1.5.2)
@@ -197,6 +198,7 @@ GEM
     puma (2.16.0)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
+    racc (1.6.0)
     rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -303,7 +305,7 @@ DEPENDENCIES
   jquery-rails
   kaminari
   letter_opener
-  nokogiri (= 1.6.7.2)
+  nokogiri (= 1.13.3)
   omniauth-facebook
   pg (~> 0.18)
   puma