diff --git a/Gemfile.lock b/Gemfile.lock
index 0166094..030190f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,6 +50,8 @@ GEM
     minitest (5.25.4)
     mutex_m (0.3.0)
     mysql2 (0.5.6)
+    net-http (0.6.0)
+      uri
     net-imap (0.4.18)
       date
       net-protocol
@@ -78,6 +80,7 @@ GEM
     timeout (0.4.3)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
+    uri (1.0.2)
 
 PLATFORMS
   ruby
@@ -89,6 +92,7 @@ DEPENDENCIES
   i18n
   mail
   mysql2
+  net-http
   nokogiri
   numo-narray
   rufus-scheduler