diff --git a/Gemfile.lock b/Gemfile.lock
index d657a91..a32e012 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -109,7 +109,7 @@ GEM
       byebug (~> 11.0)
       pry (~> 0.13.0)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.7)