diff --git a/Gemfile.lock b/Gemfile.lock
index f062d7b..4b17dfa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -125,7 +125,7 @@ GEM
     ptools (1.3.7)
     public_suffix (4.0.6)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rainbow (3.0.0)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)