diff --git a/backend/.golangci.yml b/backend/.golangci.yml
index 3a68037d..39ff460d 100644
--- a/backend/.golangci.yml
+++ b/backend/.golangci.yml
@@ -1,4 +1,5 @@
 run:
+  timeout: 5m
   output:
     format: tab
   skip-dirs:
@@ -74,4 +75,4 @@ issues:
   exclude-use-default: false
 
 service:
-  golangci-lint-version: 1.23.x
+  golangci-lint-version: 1.31.x
diff --git a/backend/app/notify/email.go b/backend/app/notify/email.go
index 89fd292a..f01fc9f3 100644
--- a/backend/app/notify/email.go
+++ b/backend/app/notify/email.go
@@ -379,6 +379,7 @@ func (s *emailClient) Create(params SMTPParams) (smtpClient, error) {
 		tlsConf := &tls.Config{
 			InsecureSkipVerify: false,
 			ServerName:         params.Host,
+			MinVersion:         tls.VersionTLS12,
 		}
 		conn, err := tls.Dial("tcp", srvAddress, tlsConf)
 		if err != nil {