diff --git a/Chapter02/recipe-10/shopr/Gemfile.lock b/Chapter02/recipe-10/shopr/Gemfile.lock
index f15dba1..e2333e0 100644
--- a/Chapter02/recipe-10/shopr/Gemfile.lock
+++ b/Chapter02/recipe-10/shopr/Gemfile.lock
@@ -206,7 +206,7 @@ GEM
       nio4r (~> 2.0)
     raabro (1.4.0)
     racc (1.8.1)
-    rack (3.1.11)
+    rack (3.1.16)
     rack-session (2.1.0)
       base64 (>= 0.1.0)
       rack (>= 3.0.0)