diff --git a/Gemfile.lock b/Gemfile.lock
index 92df368..599c16b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -92,7 +92,7 @@ GEM
     parslet (2.0.0)
     public_suffix (5.0.4)
     racc (1.8.1)
-    rack (2.2.18)
+    rack (2.2.19)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)