diff --git a/Gemfile.lock b/Gemfile.lock
index 97be730..c4889aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -51,7 +51,7 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    rack (2.0.6)
+    rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails-dom-testing (2.0.3)