diff --git a/Gemfile.lock b/Gemfile.lock
index 396bef1..66eb5f0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,7 +87,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     pg (1.1.4)
     puma (3.12.1)
-    rack (2.0.7)
+    rack (2.2.3)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.7.2)