diff --git a/package.json b/package.json
index 55ea9d1..33292d1 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "multer": "^2.2.0",
     "node-cron": "^4.6.0",
     "node-ical": "^0.26.1",
-    "nodemailer": "^9.0.3",
+    "nodemailer": "^9.1.1",
     "pino": "^10.3.1",
     "pino-http": "^11.0.0",
     "react": "^19.2.7",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index dd16228..38bcde8 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -101,8 +101,8 @@ importers:
         specifier: ^0.26.1
         version: 0.26.1
       nodemailer:
-        specifier: ^9.0.3
-        version: 9.0.3
+        specifier: ^9.1.1
+        version: 9.1.1
       pino:
         specifier: ^10.3.1
         version: 10.3.1
@@ -1466,6 +1466,7 @@ packages:
   '@xmldom/xmldom@0.9.10':
     resolution: {integrity: sha512-A9gOqLdi6cV4ibazAjcQufGj0B1y/vDqYrcuP6d/6x8P27gRS8643Dj9o1dEKtB6O7fwxb2FgBmJS2mX7gpvdw==}
     engines: {node: '>=14.6'}
+    deprecated: this version has critical issues, please update to the latest version
 
   '@zone-eu/mailsplit@5.4.14':
     resolution: {integrity: sha512-rz0FQOhN3Vq1XrSeSSa9+dPcaFbBxmQPjiZm6zS9oxdVHV7rOWIAYX3yP2YAUf0qBncY8CI+NogzPCmMVrMXcw==}
@@ -2501,6 +2502,10 @@ packages:
     resolution: {integrity: sha512-n+YP+NKwR5zRWa60k3GiQ6Q3B4KXCoAw40dAKeCtYn020iNN74aWK2liXIC3ZEATeGql7we3tE3t8QwhY0eskw==}
     engines: {node: '>=6.0.0'}
 
+  nodemailer@9.1.1:
+    resolution: {integrity: sha512-izw9mVKFix6YSnC9eLgV6g1opl9DUlRio9ZNcq+Wu9Ujn2UwF+8Nl0B8nz22kEC+CTZCvinkxwJ0DeFbb6NwcQ==}
+    engines: {node: '>=6.0.0'}
+
   object-assign@4.1.1:
     resolution: {integrity: sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==}
     engines: {node: '>=0.10.0'}
@@ -5640,6 +5645,8 @@ snapshots:
 
   nodemailer@9.0.3: {}
 
+  nodemailer@9.1.1: {}
+
   object-assign@4.1.1: {}
 
   object-inspect@1.13.4: {}