diff --git a/Gemfile.lock b/Gemfile.lock
index cd4f3ac..9b3e20b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -221,7 +221,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (3.1.0)
     puma (3.11.4)
-    rack (2.0.5)
+    rack (2.2.3)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.7)