diff --git a/Gemfile.lock b/Gemfile.lock
index c06e8ab..d1e4b18 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -171,7 +171,7 @@ GEM
     puma (4.3.8)
       nio4r (~> 2.0)
     racc (1.5.2)
-    rack (2.1.4)
+    rack (2.1.4.3)
     rack-cors (1.0.5)
       rack (>= 1.6.0)
     rack-test (1.1.0)