diff --git a/Gemfile.lock b/Gemfile.lock
index 7a5aabe5a..47efbd056 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -473,7 +473,7 @@ GEM
       nio4r (~> 2.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
-    rack (2.0.7)
+    rack (2.2.2)
     rack-pjax (1.0.0)
       nokogiri (~> 1.5)
       rack (>= 1.1)