diff --git a/Gemfile.lock b/Gemfile.lock
index 42fca13..f1d979d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -31,7 +31,7 @@ GEM
     pry-stack_explorer (0.6.1)
       binding_of_caller (~> 1.0)
       pry (~> 0.13)
-    rack (2.2.3)
+    rack (2.2.6.4)
     rack-cache (1.12.1)
       rack (>= 0.4)
     rack-fiber_pool (0.9.3)