diff --git a/Gemfile.lock b/Gemfile.lock
index de78c0e8..8f4fe3ac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -206,7 +206,7 @@ GEM
       timeout
     net-scp (4.0.0)
       net-ssh (>= 2.6.5, < 8.0.0)
-    net-smtp (0.4.0.1)
+    net-smtp (0.5.0)
       net-protocol
     net-ssh (7.2.0)
     nio4r (2.7.0)