diff --git a/Gemfile.lock b/Gemfile.lock
index cbe656a..aa70767 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -153,7 +153,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (3.0.0)
     puma (3.10.0)
-    rack (2.0.3)
+    rack (2.1.2)
     rack-livereload (0.3.16)
       rack
     rack-test (0.7.0)