diff --git a/Gemfile.lock b/Gemfile.lock
index 6fc70f3..c0eac27 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,7 +42,7 @@ GEM
     pry-doc (1.2.0)
       pry (~> 0.11)
       yard (~> 0.9.11)
-    rack (2.2.3)
+    rack (2.2.6.4)
     rack-flash3 (1.0.5)
       rack
     rack-protection (2.1.0)