diff --git a/Gemfile.lock b/Gemfile.lock
index 623c5f3..37541ec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,7 +115,7 @@ GEM
       activerecord (>= 5.2.1)
     public_suffix (4.0.3)
     puma (3.12.2)
-    rack (2.1.1)
+    rack (2.2.3.1)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.4.1)