diff --git a/Gemfile.lock b/Gemfile.lock
index 550ccf3..6d6bc91 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,7 +47,7 @@ GEM
     mime-types (1.16)
     multi_json (1.0.3)
     polyglot (0.3.2)
-    rack (1.3.4)
+    rack (1.3.10)
     rack-cache (1.1)
       rack (>= 0.4)
     rack-mount (0.8.3)