diff --git a/Gemfile.lock b/Gemfile.lock
index 74b69f9..bd0a86e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,7 +49,7 @@ GEM
     mime-types (1.16)
     orm_adapter (0.0.4)
     polyglot (0.3.1)
-    rack (1.2.1)
+    rack (1.2.8)
     rack-mount (0.6.13)
       rack (>= 1.0.0)
     rack-test (0.5.7)