diff --git a/Gemfile.lock b/Gemfile.lock
index eeb2594..b644b49 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -235,7 +235,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (3.0.3)
-    rack (2.0.8)
+    rack (2.2.3)
     representable (3.0.4)
       declarative (< 0.1.0)
       declarative-option (< 0.2.0)