diff --git a/Gemfile.lock b/Gemfile.lock
index 1da9216..0c18539 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,7 +21,7 @@ GEM
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     nori (2.6.0)
-    rack (2.2.2)
+    rack (3.0.4.2)
     savon (2.12.0)
       akami (~> 1.2)
       builder (>= 2.1.2)