diff --git a/src-api/Gemfile b/src-api/Gemfile
index e21bffa688..6de50c6119 100644
--- a/src-api/Gemfile
+++ b/src-api/Gemfile
@@ -8,6 +8,6 @@ gem 'middleman-autoprefixer', '~> 2.7.1'
 gem 'middleman-sprockets', '~> 4.1.0'
 gem 'rouge', '~> 2.0.5'
 gem 'redcarpet', '~> 3.4.0'
-gem 'nokogiri', '~> 1.10.8'
+gem 'nokogiri', '~> 1.13.9'
 gem 'sprockets', '~> 3.7'
 gem "sass", "~> 3.7"
diff --git a/src-api/Gemfile.lock b/src-api/Gemfile.lock
index f72df03fc2..bf253d5a89 100644
--- a/src-api/Gemfile.lock
+++ b/src-api/Gemfile.lock
@@ -77,10 +77,11 @@ GEM
     middleman-syntax (3.0.0)
       middleman-core (>= 3.2)
       rouge (~> 2.0)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.14.4)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     padrino-helpers (0.13.3.4)
       i18n (~> 0.6, >= 0.6.7)
       padrino-support (= 0.13.3.4)
@@ -89,6 +90,7 @@ GEM
       activesupport (>= 3.1)
     parallel (1.20.1)
     public_suffix (4.0.6)
+    racc (1.6.0)
     rack (2.2.3)
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
@@ -124,7 +126,7 @@ DEPENDENCIES
   middleman-autoprefixer (~> 2.7.1)
   middleman-sprockets (~> 4.1.0)
   middleman-syntax (~> 3.0.0)
-  nokogiri (~> 1.10.8)
+  nokogiri (~> 1.13.9)
   redcarpet (~> 3.4.0)
   rouge (~> 2.0.5)
   sass (~> 3.7)