diff --git a/Gemfile.lock b/Gemfile.lock
index 1d5c212..8138f56 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -166,7 +166,7 @@ GEM
     psych (3.1.0)
     pundit (2.0.1)
       activesupport (>= 3.0.0)
-    rack (2.1.1)
+    rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.3)