diff --git a/sample/ruby_on_rails/Gemfile.lock b/sample/ruby_on_rails/Gemfile.lock
index 611cc9b..ccbb871 100644
--- a/sample/ruby_on_rails/Gemfile.lock
+++ b/sample/ruby_on_rails/Gemfile.lock
@@ -67,8 +67,11 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.21)
+    mini_portile2 (2.8.0)
     multi_json (1.7.2)
-    nokogiri (1.5.9)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     oauth (0.4.7)
     omniauth (1.1.3)
       hashie (~> 1.2)
@@ -81,6 +84,7 @@ GEM
       oauth
       omniauth (~> 1.0)
     polyglot (0.3.3)
+    racc (1.6.0)
     rack (1.4.5)
     rack-cache (1.2)
       rack (>= 0.4)