diff --git a/Gemfile.lock b/Gemfile.lock
index 8278660..1dd4cca 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    rack (2.2.7)
+    rack (2.2.8.1)
     rack-protection (2.2.3)
       rack
     rack-test (1.1.0)