diff --git a/Gemfile.lock b/Gemfile.lock
index fccf6f5f..178727f7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,7 +78,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     pg (1.1.4)
     puma (3.12.1)
-    rack (2.0.6)
+    rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.3)