diff --git a/Gemfile.lock b/Gemfile.lock
index ee45f83..591e84c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
     orm_adapter (0.5.0)
     pg (0.18.4)
     puma (3.12.1)
-    rack (2.0.7)
+    rack (2.2.3)
     rack-cors (1.0.3)
     rack-test (0.6.3)
       rack (>= 1.0)