diff --git a/Gemfile.lock b/Gemfile.lock
index 15b6e44..d8cbe35 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,7 +30,7 @@ GEM
     pg (1.1.4)
     puma (4.1.0)
       nio4r (~> 2.0)
-    rack (2.0.7)
+    rack (2.2.3)
     rack-protection (2.0.7)
       rack
     rack-test (0.6.3)