diff --git a/Gemfile.lock b/Gemfile.lock
index 58965d2..07111fe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     popper_js (1.16.0)
     puma (3.12.6)
-    rack (2.2.2)
+    rack (2.2.6.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.4.3)