diff --git a/Gemfile.lock b/Gemfile.lock
index 8fb38e9..0862d38 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -85,7 +85,7 @@ GEM
     parallel (1.22.1)
     parslet (2.0.0)
     public_suffix (4.0.7)
-    rack (2.2.3.1)
+    rack (2.2.6.4)
     rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
       ffi (~> 1.0)