diff --git a/Gemfile.lock b/Gemfile.lock
index ecf4522..e318f77 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -32,7 +32,7 @@ GEM
       method_source (~> 1.0)
     public_suffix (4.0.6)
     racc (1.6.0)
-    rack (2.2.3.1)
+    rack (3.0.4.2)
     rake (13.0.6)
     savon (2.12.1)
       akami (~> 1.2)