diff --git a/Gemfile.lock b/Gemfile.lock
index 3515781..19911d2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,10 +54,10 @@ GEM
     mime-types (1.19)
     multi_json (1.3.7)
     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 (0.6.2)
       rack (>= 1.0)