diff --git a/Gemfile.lock b/Gemfile.lock
index 6956e4d..dca7645 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -85,7 +85,7 @@ GEM
     nio4r (2.4.0)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
-    rack (2.0.8)
+    rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (6.0.0.rc2)