diff --git a/W3D4/N+1_Buster/Gemfile.lock b/W3D4/N+1_Buster/Gemfile.lock
index 68a9c15..00f4879 100644
--- a/W3D4/N+1_Buster/Gemfile.lock
+++ b/W3D4/N+1_Buster/Gemfile.lock
@@ -91,7 +91,7 @@ GEM
     pg (0.21.0)
     public_suffix (2.0.5)
     puma (3.9.1)
-    rack (2.0.3)
+    rack (2.2.3)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.1.2)