diff --git a/Gemfile.lock b/Gemfile.lock
index a06518d..615f50d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -79,7 +79,7 @@ GEM
       pry (~> 0.10)
     puma (4.3.1)
       nio4r (~> 2.0)
-    rack (2.0.8)
+    rack (2.2.3)
     rack-test (0.6.3)
       rack (>= 1.0)
     rb-readline (0.5.3)