diff --git a/Gemfile.lock b/Gemfile.lock
index b82542d..c0f0db5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -82,7 +82,7 @@ GEM
     nokogiri (1.7.1)
       mini_portile2 (~> 2.1.0)
     puma (3.8.2)
-    rack (2.0.1)
+    rack (2.2.6.4)
     rack-protection (1.5.3)
       rack
     rack-test (0.6.3)