diff --git a/Gemfile.lock b/Gemfile.lock
index 242ea0f..fd840c9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -92,7 +92,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     puma (3.11.4)
-    rack (2.0.4)
+    rack (2.0.8)
     rack-cors (1.0.2)
     rack-test (1.0.0)
       rack (>= 1.0, < 3)