diff --git a/Gemfile.lock b/Gemfile.lock
index 0c45980..c989ec0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,7 @@ GEM
     pry-rails (0.3.6)
       pry (>= 0.10.4)
     puma (3.9.1)
-    rack (2.0.3)
+    rack (2.2.3)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.4)