diff --git a/Gemfile.lock b/Gemfile.lock
index 341b916..b87fb33 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -158,7 +158,7 @@ GEM
     powerpack (0.1.1)
     public_suffix (3.0.2)
     puma (3.11.3)
-    rack (2.0.5)
+    rack (2.0.6)
     rack-canonical-host (0.2.3)
       addressable (> 0, < 3)
       rack (>= 1.0.0, < 3)