diff --git a/Gemfile.lock b/Gemfile.lock
index 05319c14..02d2d56c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -249,6 +249,7 @@ GEM
       date
       net-protocol
     net-pop (0.1.2)
+      net-protocol
     net-protocol (0.2.2)
       timeout
     net-sftp (4.0.0)