diff --git a/Gemfile.lock b/Gemfile.lock
index ff9bb1f..196b663 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,8 +33,6 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
     lumberjack (1.0.10)
-    mail (2.6.4)
-      mime-types (>= 1.16, < 4)
     mechanize (2.7.5)
       domain_name (~> 0.5, >= 0.5.1)
       http-cookie (~> 1.0)
@@ -48,15 +46,16 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.8.0)
     minitest (5.10.1)
     mongo (2.4.1)
       bson (>= 4.2.1, < 5.0.0)
     nenv (0.3.0)
     net-http-digest_auth (1.4)
     net-http-persistent (2.9.4)
-    nokogiri (1.7.0.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -66,6 +65,7 @@ GEM
       method_source (~> 0.8.1)
       slop (~> 3.4)
     public_suffix (2.0.5)
+    racc (1.6.0)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
@@ -91,7 +91,6 @@ DEPENDENCIES
   guard
   guard-minitest
   json
-  mail
   mechanize
   minitest
   mongo