diff --git a/Gemfile.lock b/Gemfile.lock
index 4a2dfc8..fbbb9c9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,10 +55,10 @@ GEM
     multi_json (1.3.6)
     nokogiri (1.5.5)
     polyglot (0.3.3)
-    rack (1.4.1)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
-    rack-ssl (1.3.2)
+    rack-ssl (1.3.4)
       rack
     rack-test (0.6.1)
       rack (>= 1.0)