diff --git a/Gemfile.lock b/Gemfile.lock
index 1043dfb..3eaccda 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -168,7 +168,7 @@ GEM
     plist (3.5.0)
     proxifier (1.0.3)
     public_suffix (4.0.6)
-    rack (2.2.3.1)
+    rack (2.2.6.2)
     retryable (2.0.4)
     rspec (3.8.0)
       rspec-core (~> 3.8.0)