diff --git a/Gemfile.lock b/Gemfile.lock
index 4ca6304..4918880 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -109,7 +109,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     public_suffix (3.0.3)
     puma (3.12.6)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.3)