diff --git a/Gemfile.lock b/Gemfile.lock
index b67858c..1a452ba 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,7 +4,7 @@ GEM
     nio4r (2.5.2)
     puma (4.3.3)
       nio4r (~> 2.0)
-    rack (2.2.2)
+    rack (2.2.6.3)
 
 PLATFORMS
   ruby