diff --git a/packages/backend/package.json b/packages/backend/package.json
index 809a798de8..3b8df604ea 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -148,7 +148,7 @@
 		"@types/mocha": "10.0.6",
 		"@types/node": "20.12.7",
 		"@types/node-fetch": "2.6.11",
-		"@types/nodemailer": "6.4.14",
+		"@types/nodemailer": "6.4.15",
 		"@types/oauth": "0.9.4",
 		"@types/opencc-js": "^1.0.3",
 		"@types/pg": "^8.11.5",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 224a22a925..1f290a32d6 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -420,8 +420,8 @@ importers:
         specifier: 2.6.11
         version: 2.6.11
       '@types/nodemailer':
-        specifier: 6.4.14
-        version: 6.4.14
+        specifier: 6.4.15
+        version: 6.4.15
       '@types/oauth':
         specifier: 0.9.4
         version: 0.9.4
@@ -2694,8 +2694,8 @@ packages:
   '@types/node@20.12.7':
     resolution: {integrity: sha512-wq0cICSkRLVaf3UGLMGItu/PtdY7oaXaI/RVU+xliKVOtRna3PRY57ZDfztpDL0n11vfymMUnXv8QwYCO7L1wg==}
 
-  '@types/nodemailer@6.4.14':
-    resolution: {integrity: sha512-fUWthHO9k9DSdPCSPRqcu6TWhYyxTBg382vlNIttSe9M7XfsT06y0f24KHXtbnijPGGRIcVvdKHTNikOI6qiHA==}
+  '@types/nodemailer@6.4.15':
+    resolution: {integrity: sha512-0EBJxawVNjPkng1zm2vopRctuWVCxk34JcIlRuXSf54habUWdz1FB7wHDqOqvDa8Mtpt0Q3LTXQkAs2LNyK5jQ==}
 
   '@types/normalize-package-data@2.4.3':
     resolution: {integrity: sha512-ehPtgRgaULsFG8x0NeYJvmyH1hmlfsNLujHe9dQEia/7MAJYdzMSi19JtchUHjmBA6XC/75dK55mzZH+RyieSg==}
@@ -10495,7 +10495,7 @@ snapshots:
     dependencies:
       undici-types: 5.26.5
 
-  '@types/nodemailer@6.4.14':
+  '@types/nodemailer@6.4.15':
     dependencies:
       '@types/node': 20.12.7