diff --git a/Gemfile.lock b/Gemfile.lock
index 534575b..fcdb539 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -76,7 +76,7 @@ GEM
     rack (1.3.2)
     rack-cache (1.0.3)
       rack (>= 0.4)
-    rack-mount (0.8.2)
+    rack-mount (0.8.3)
       rack (>= 1.0.0)
     rack-ssl (1.3.2)
       rack