diff --git a/Ruby and Ruby on Rails/Rails_CRUD_TeamProject/Gemfile.lock b/Ruby and Ruby on Rails/Rails_CRUD_TeamProject/Gemfile.lock
index f7153bc..7cd2aeb 100644
--- a/Ruby and Ruby on Rails/Rails_CRUD_TeamProject/Gemfile.lock	
+++ b/Ruby and Ruby on Rails/Rails_CRUD_TeamProject/Gemfile.lock	
@@ -121,7 +121,7 @@ GEM
     puma (4.3.12)
       nio4r (~> 2.0)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-test (0.8.3)
       rack (>= 1.0, < 3)
     rails (5.2.0.rc1)