diff --git a/Gemfile.lock b/Gemfile.lock
index 2fdd5f4..e3c5abb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -102,7 +102,7 @@ GEM
     nokogiri (1.10.3)
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
-    rack (2.0.7)
+    rack (2.2.3)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.7.2)