diff --git a/backend/package.json b/backend/package.json
index 364e100..a7eefc0 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -42,7 +42,7 @@
     "ioredis": "^5.11.1",
     "nestjs-cls": "^6.2.1",
     "nestjs-pino": "^4.6.1",
-    "nodemailer": "^8.0.11",
+    "nodemailer": "^9.0.1",
     "pdfkit": "^0.19.1",
     "pg": "^8.21.0",
     "pino": "^10.3.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index efe2ec4..eafd2ae 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -108,8 +108,8 @@ importers:
         specifier: ^4.6.1
         version: 4.6.1(@nestjs/common@11.1.26(class-transformer@0.5.1)(class-validator@0.15.1)(reflect-metadata@0.2.2)(rxjs@7.8.2))(pino-http@11.0.0)(pino@10.3.1)(rxjs@7.8.2)
       nodemailer:
-        specifier: ^8.0.11
-        version: 8.0.11
+        specifier: ^9.0.1
+        version: 9.0.1
       pdfkit:
         specifier: ^0.19.1
         version: 0.19.1
@@ -4785,8 +4785,8 @@ packages:
     resolution: {integrity: sha512-Uzmd6LXpouKo8EUK68IjH4+E01w/hXyV3R3g/geCJo+rXLNfh1xucB+LOzYEOQPSiUK3h/xZf0cQGcSsmyL2Og==}
     engines: {node: '>=18'}
 
-  nodemailer@8.0.11:
-    resolution: {integrity: sha512-nrO/pDAUKl+wXX+lx16tDLbnm0fW6sK/x8mgohaCpg+CdCEl482bD4tCuAZk2DyliruiNTIZxRCoWkDqJEnAiA==}
+  nodemailer@9.0.1:
+    resolution: {integrity: sha512-Gwv8SQewT616ZM/URn0H54b8PWo/Wum7md3EW2aWy1lO27+WZCX+Xyak3J+NlmHUjDh5ME+uesJUDRbR3Ye8Bw==}
     engines: {node: '>=6.0.0'}
 
   normalize-path@3.0.0:
@@ -10875,7 +10875,7 @@ snapshots:
 
   node-releases@2.0.47: {}
 
-  nodemailer@8.0.11: {}
+  nodemailer@9.0.1: {}
 
   normalize-path@3.0.0: {}