diff --git a/Gemfile.lock b/Gemfile.lock
index 4060754..3b98540 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,7 +36,7 @@ GEM
     netrc (0.11.0)
     public_suffix (5.0.1)
     rack (3.1.8)
-    rack-test (2.1.0)
+    rack-test (2.2.0)
       rack (>= 1.3)
     rake (13.2.1)
     redcarpet (3.6.0)