diff --git a/Gemfile.lock b/Gemfile.lock
index 668ee7b..0bfabf5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -169,7 +169,7 @@ GEM
     pastel (0.7.3)
       equatable (~> 0.6)
       tty-color (~> 0.5)
-    rack (2.0.8)
+    rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.4.1)