diff --git a/package-lock.json b/package-lock.json
index 00d4ddd..5f23501 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1164,9 +1164,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "14.0.13",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.0.13.tgz",
-      "integrity": "sha512-rouEWBImiRaSJsVA+ITTFM6ZxibuAlTuNOCyxVbwreu6k6+ujs7DfnU9o+PShFhET78pMBl3eH+AGSI5eOTkPA=="
+      "version": "15.12.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-15.12.4.tgz",
+      "integrity": "sha512-zrNj1+yqYF4WskCMOHwN+w9iuD12+dGm0rQ35HLl9/Ouuq52cEtd0CH9qMgrdNmi5ejC1/V7vKEXYubB+65DkA=="
     },
     "@types/normalize-package-data": {
       "version": "2.4.0",
diff --git a/package.json b/package.json
index cf03188..3a9fa7e 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "",
   "main": "src/main.ts",
   "dependencies": {
-    "@types/node": "^14.0.13",
+    "@types/node": "^15.12.4",
     "cjk-conv": "^1.2.88",
     "dotenv": "^8.2.0",
     "log4js": "^6.3.0",