diff --git a/Gemfile.lock b/Gemfile.lock
index e9221d26..e38ec536 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -266,7 +266,7 @@ GEM
       nio4r (~> 2.0)
     pyu-ruby-sasl (0.0.3.3)
     racc (1.6.1)
-    rack (2.2.4)
+    rack (2.2.6.2)
     rack-proxy (0.7.2)
       rack
     rack-test (1.1.0)