diff --git a/go.mod b/go.mod
index 1bc98d5f01b26..27501bbf53948 100644
--- a/go.mod
+++ b/go.mod
@@ -155,7 +155,7 @@ require (
 	github.com/mitchellh/go-wordwrap v1.0.1
 	github.com/mitchellh/mapstructure v1.5.1-0.20231216201459-8508981c8b6c
 	github.com/moby/moby v28.1.1+incompatible
-	github.com/mocktools/go-smtp-mock/v2 v2.4.0
+	github.com/mocktools/go-smtp-mock/v2 v2.5.0
 	github.com/muesli/termenv v0.16.0
 	github.com/natefinch/atomic v1.0.1
 	github.com/open-policy-agent/opa v1.4.2
diff --git a/go.sum b/go.sum
index ff82f4db0ec17..c059281169c5d 100644
--- a/go.sum
+++ b/go.sum
@@ -1577,8 +1577,8 @@ github.com/moby/sys/userns v0.1.0 h1:tVLXkFOxVu9A64/yh59slHVv9ahO9UIev4JZusOLG/g
 github.com/moby/sys/userns v0.1.0/go.mod h1:IHUYgu/kao6N8YZlp9Cf444ySSvCmDlmzUcYfDHOl28=
 github.com/moby/term v0.5.0 h1:xt8Q1nalod/v7BqbG21f8mQPqH+xAaC9C3N3wfWbVP0=
 github.com/moby/term v0.5.0/go.mod h1:8FzsFHVUBGZdbDsJw/ot+X+d5HLUbvklYLJ9uGfcI3Y=
-github.com/mocktools/go-smtp-mock/v2 v2.4.0 h1:u0ky0iyNW/LEMKAFRTsDivHyP8dHYxe/cV3FZC3rRjo=
-github.com/mocktools/go-smtp-mock/v2 v2.4.0/go.mod h1:h9AOf/IXLSU2m/1u4zsjtOM/WddPwdOUBz56dV9f81M=
+github.com/mocktools/go-smtp-mock/v2 v2.5.0 h1:0wUW3YhTHUO6SEqWczCHpLynwIfXieGtxpWJa44YVCM=
+github.com/mocktools/go-smtp-mock/v2 v2.5.0/go.mod h1:h9AOf/IXLSU2m/1u4zsjtOM/WddPwdOUBz56dV9f81M=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=