diff --git a/lesson5/Gemfile.lock b/lesson5/Gemfile.lock
index 448cddf..8eae9ab 100644
--- a/lesson5/Gemfile.lock
+++ b/lesson5/Gemfile.lock
@@ -106,7 +106,7 @@ GEM
     minitest (5.14.4)
     msgpack (1.4.2)
     nio4r (2.5.8)
-    nokogiri (1.12.3-x86_64-linux)
+    nokogiri (1.12.5-x86_64-linux)
       racc (~> 1.4)
     public_suffix (4.0.6)
     puma (5.4.0)