diff --git a/Gemfile.lock b/Gemfile.lock
index 95b6e6f8..a7b186cc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -90,7 +90,7 @@ GEM
       mail (>= 2.0)
     public_suffix (5.0.1)
     racc (1.7.3)
-    rack (2.2.6.4)
+    rack (2.2.20)
     rack-protection (3.0.5)
       rack
     rack-test (2.0.2)
@@ -177,4 +177,4 @@ DEPENDENCIES
   rubygems-update
   sinatra
   sinatra-contrib
-  unicorn
\ No newline at end of file
+  unicorn