diff --git a/Gemfile.lock b/Gemfile.lock
index da992f5..97f395c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -121,7 +121,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     puma (3.12.0)
-    rack (2.0.6)
+    rack (2.0.8)
     rack-defense (0.2.6)
       rack (>= 1.6.11)
       redis (~> 4)