diff --git a/Gemfile.lock b/Gemfile.lock
index 875bccd..fcdf77a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,7 +39,7 @@ GEM
       abstract (>= 1.0.0)
     geokit (1.5.0)
     i18n (0.5.0)
-    mail (2.2.16)
+    mail (2.2.17)
       activesupport (>= 2.3.6)
       i18n (>= 0.4.0)
       mime-types (~> 1.16)