diff --git a/Gemfile.lock b/Gemfile.lock
index 463c82c0..4e50dd66 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -265,7 +265,7 @@ GEM
       net-protocol
     net-protocol (0.2.2)
       timeout
-    net-smtp (0.4.0)
+    net-smtp (0.4.0.1)
       net-protocol
     newrelic_rpm (9.6.0)
       base64