diff --git a/Gemfile.lock b/Gemfile.lock
index db885eb..82457a3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,7 +41,7 @@ GEM
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
-    rack (2.0.7)
+    rack (2.0.8)
     rake (11.3.0)
     rdoc (4.2.2)
       json (~> 1.4)