diff --git a/3501/1/Gemfile b/3501/1/Gemfile
index a515d03f36..b7a5f47ce6 100644
--- a/3501/1/Gemfile
+++ b/3501/1/Gemfile
@@ -1,4 +1,4 @@
 source 'https://rubygems.org'
 gem 'httparty', '~> 0.17.0'
-gem 'nokogiri', '~> 1.10.3'
+gem 'nokogiri', '~> 1.13.6'
 gem 'terminal-table', '~> 1.8.0'
diff --git a/3501/1/Gemfile.lock b/3501/1/Gemfile.lock
index 44a491c1dd..8b7057c5c3 100644
--- a/3501/1/Gemfile.lock
+++ b/3501/1/Gemfile.lock
@@ -7,12 +7,14 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     multi_xml (0.6.0)
-    nokogiri (1.10.3)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.3-x64-mingw32)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    nokogiri (1.13.6-x64-mingw32)
+      racc (~> 1.4)
+    racc (1.6.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     unicode-display_width (1.6.0)
@@ -23,7 +25,7 @@ PLATFORMS
 
 DEPENDENCIES
   httparty (~> 0.17.0)
-  nokogiri (~> 1.10.3)
+  nokogiri (~> 1.13.6)
   terminal-table (~> 1.8.0)
 
 BUNDLED WITH