diff --git a/Gemfile.lock b/Gemfile.lock
index 57fbe78..0cfecd5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -35,7 +35,7 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    rack (2.0.7)
+    rack (2.2.2)
     rack-protection (2.0.5)
       rack
     sinatra (2.0.5)