diff --git a/Gemfile.lock b/Gemfile.lock
index 42f179c..8ac80a3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -113,7 +113,7 @@ GEM
     parser (3.0.3.2)
       ast (~> 2.4.1)
     racc (1.6.0)
-    rack (2.2.3.1)
+    rack (2.2.6.4)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (6.1.5)