diff --git a/Gemfile.lock b/Gemfile.lock
index b5203468ffe..e703ec3ff48 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -180,8 +180,11 @@ GEM
     loofah (2.19.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.7.1)
+    mail (2.8.0)
       mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
     marcel (1.0.2)
     method_source (1.0.0)
     mini_mime (1.1.2)