diff --git a/g07/Gemfile.lock b/g07/Gemfile.lock
index d176f73..458d71e 100644
--- a/g07/Gemfile.lock
+++ b/g07/Gemfile.lock
@@ -131,7 +131,7 @@ GEM
     psych (3.1.0)
     public_suffix (3.0.3)
     puma (3.12.1)
-    rack (2.0.6)
+    rack (2.2.6.4)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.1.5)