diff --git a/package-lock.json b/package-lock.json
index cadd0ad..c736da2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -320,9 +320,9 @@
       "dev": true
     },
     "@types/mocha": {
-      "version": "8.2.0",
-      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-8.2.0.tgz",
-      "integrity": "sha512-/Sge3BymXo4lKc31C8OINJgXLaw+7vL1/L1pGiBNpGrBiT8FQiaFpSYV0uhTaG4y78vcMBTMFsWaHDvuD+xGzQ==",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-9.0.0.tgz",
+      "integrity": "sha512-scN0hAWyLVAvLR9AyW7HoFF5sJZglyBsbPuHO4fv7JRvfmPBMfp1ozWqOf/e4wwPNxezBZXRfWzMb6iFLgEVRA==",
       "dev": true
     },
     "@types/node": {
diff --git a/package.json b/package.json
index dd7744b..293c558 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "@types/chai-as-promised": "^7.1.3",
     "@types/express": "^4.17.11",
     "@types/koa": "^2.11.6",
-    "@types/mocha": "^8.2.0",
+    "@types/mocha": "^9.0.0",
     "@types/node": "^14.14.33",
     "@types/sinon": "^9.0.10",
     "body-parser": "^1.19.0",