diff --git a/Gemfile.lock b/Gemfile.lock
index 949f3c8..4712387 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (4.0.3)
-    rack (2.2.2)
+    rack (2.2.3)
     rake (13.0.1)
     rb-readline (0.5.5)
     rspec-core (3.9.0)