diff --git a/Gemfile b/Gemfile
index 3aadb40fb..b1138831a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ ruby '2.7.2'
 gem 'octokit', '~> 4.21.0'
 gem 'faraday', '~> 1.7.0'
 gem 'httpclient', '~> 2.4.0'
-gem 'nokogiri', '~> 1.12.3'
+gem 'nokogiri', '~> 1.13.9'
 gem 'git', '~> 1.9.1'
 gem 'parallel', '~> 1.20.1'
 gem 'puma', '~> 5.4.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 751deb864..646bcafcc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,14 +26,14 @@ GEM
       rchardet (~> 1.8)
     httpclient (2.4.0)
     i18n (0.7.0)
-    mini_portile2 (2.6.1)
+    mini_portile2 (2.8.0)
     multi_json (1.15.0)
     multipart-post (2.1.1)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     nio4r (2.5.8)
-    nokogiri (1.12.3)
-      mini_portile2 (~> 2.6.1)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     octokit (4.21.0)
       faraday (>= 0.9)
@@ -42,7 +42,7 @@ GEM
     public_suffix (4.0.6)
     puma (5.4.0)
       nio4r (~> 2.0)
-    racc (1.5.2)
+    racc (1.6.0)
     rack (2.2.3)
     rack-protection (2.1.0)
       rack
@@ -72,7 +72,7 @@ DEPENDENCIES
   git (~> 1.9.1)
   httpclient (~> 2.4.0)
   i18n (~> 0.7.0)
-  nokogiri (~> 1.12.3)
+  nokogiri (~> 1.13.9)
   octokit (~> 4.21.0)
   parallel (~> 1.20.1)
   puma (~> 5.4.0)