diff --git a/Gemfile.lock b/Gemfile.lock
index b77ac75..adb09c7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,7 +20,7 @@ GEM
     pry-byebug (3.6.0)
       byebug (~> 10.0)
       pry (~> 0.10)
-    rack (2.0.6)
+    rack (2.2.3)
     rack-test (0.8.3)
       rack (>= 1.0, < 3)
     rake (12.3.2)