diff --git a/Gemfile.lock b/Gemfile.lock
index b5f3447..31b064b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -157,7 +157,7 @@ GEM
       net-protocol
     net-protocol (0.2.2)
       timeout
-    net-smtp (0.5.0)
+    net-smtp (0.5.1)
       net-protocol
     nio4r (2.7.4)
     nokogiri (1.18.2-arm64-darwin)