diff --git a/rails-app/Gemfile.lock b/rails-app/Gemfile.lock
index 7a2d91e..63c3c18 100644
--- a/rails-app/Gemfile.lock
+++ b/rails-app/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
     minitest (5.14.4)
     msgpack (1.4.2)
     nio4r (2.5.8)
-    nokogiri (1.12.5-x86_64-linux)
+    nokogiri (1.13.9-x86_64-linux)
       racc (~> 1.4)
     pg (1.2.3)
     puma (5.5.2)