diff --git a/Gemfile.lock b/Gemfile.lock
index a50799c..cc112b6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -269,7 +269,7 @@ GEM
     public_suffix (3.0.2)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
-    rack (2.2.2)
+    rack (2.2.3.1)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.1.5)