diff --git a/Gemfile.lock b/Gemfile.lock
index 6de8ed6..2ba3ff8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,7 +54,7 @@ GEM
       activesupport (> 4.2, < 6.1.0)
       addressable (>= 2.5, < 2.8)
     public_suffix (4.0.3)
-    rack (2.0.7)
+    rack (2.1.1)
     rack-protection (2.0.5)
       rack
     rest-client (2.0.2)