diff --git a/Gemfile.lock b/Gemfile.lock
index 1f69637..b5affed 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,7 @@ GEM
     parser (3.1.1.0)
       ast (~> 2.4.1)
     power_assert (2.0.1)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-protection (2.2.0)
       rack
     rack-test (1.1.0)