diff --git a/Gemfile.lock b/Gemfile.lock
index f1a7d5b..0fb6094 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -465,7 +465,7 @@ GEM
       nio4r (~> 2.0)
     pyu-ruby-sasl (0.0.3.3)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (6.0.5)