diff --git a/Gemfile.lock b/Gemfile.lock
index cf4efaf..b310ce3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,7 +87,7 @@ GEM
       actionpack (>= 3.0.0)
       activesupport (>= 3.0.0)
       railties (>= 3.0.0)
-    mail (2.4.1)
+    mail (2.4.3)
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)