diff --git a/Gemfile.lock b/Gemfile.lock
index 91c3402..4a276f4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -219,7 +219,7 @@ GEM
     public_suffix (3.0.3)
     puma (3.12.0)
     raabro (1.1.6)
-    rack (2.0.6)
+    rack (2.2.3)
     rack-cors (1.0.2)
     rack-pjax (1.0.0)
       nokogiri (~> 1.5)