diff --git a/Gemfile.lock b/Gemfile.lock
index 1566e44..efd32bb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,7 +106,7 @@ GEM
     parallel (1.19.1)
     parser (2.7.1.2)
       ast (~> 2.4.0)
-    rack (2.2.3)
+    rack (2.2.8.1)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (6.0.3.1)