diff --git a/Gemfile.lock b/Gemfile.lock
index 63964b82..494c2bec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -152,7 +152,7 @@ GEM
       pry (~> 0.13.0)
     public_suffix (4.0.6)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.6.3)
     rainbow (3.0.0)
     rake (13.0.3)
     rb-fsevent (0.10.4)