diff --git a/Gemfile.lock b/Gemfile.lock
index 3aadc57..77bc769 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -89,7 +89,7 @@ GEM
       yard (~> 0.9.11)
     pry-theme (1.2.0)
       coderay (~> 1.1)
-    rack (2.0.5)
+    rack (2.2.3)
     rack-protection (2.0.3)
       rack
     rainbow (2.2.2)