diff --git a/Gemfile.lock b/Gemfile.lock
index d35e235..0eb8123 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,7 +88,7 @@ GEM
       ast (~> 2.3)
     pg (1.1.4)
     puma (3.12.1)
-    rack (2.0.7)
+    rack (2.2.3)
     rack-cors (0.4.1)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)