diff --git a/Gemfile.lock b/Gemfile.lock
index 54c978f..012d658 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
-    mime-types (1.16)
+    mime-types (1.17.1)
     multi_json (1.0.3)
     orm_adapter (0.0.5)
     pg (0.11.0)