diff --git a/example-rails-app/Gemfile b/example-rails-app/Gemfile
index 86265cf..d2ee045 100644
--- a/example-rails-app/Gemfile
+++ b/example-rails-app/Gemfile
@@ -8,4 +8,4 @@ gem 'rails', '4.2.6'
 # These gem versions are what is available as apt packages in Ubuntu 16.04
 gem 'sqlite3', '1.3.11'
 gem 'json', '1.8.3'
-gem 'nokogiri', '1.13.9'
+gem 'nokogiri', '1.13.10'
diff --git a/example-rails-app/Gemfile.lock b/example-rails-app/Gemfile.lock
index 4094346..69b3124 100644
--- a/example-rails-app/Gemfile.lock
+++ b/example-rails-app/Gemfile.lock
@@ -54,10 +54,10 @@ GEM
     mini_mime (1.0.2)
     mini_portile2 (2.8.0)
     minitest (5.13.0)
-    nokogiri (1.13.9)
+    nokogiri (1.13.10)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    racc (1.6.0)
+    racc (1.6.1)
     rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -104,7 +104,7 @@ PLATFORMS
 
 DEPENDENCIES
   json (= 1.8.3)
-  nokogiri (= 1.13.9)
+  nokogiri (= 1.13.10)
   rails (= 4.2.6)
   sqlite3 (= 1.3.11)