diff --git a/package-lock.json b/package-lock.json
index 6fec16c..61051ea 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -129,9 +129,9 @@
       "dev": true
     },
     "@types/mocha": {
-      "version": "5.2.6",
-      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-5.2.6.tgz",
-      "integrity": "sha512-1axi39YdtBI7z957vdqXI4Ac25e7YihYQtJa+Clnxg1zTJEaIRbndt71O3sP4GAMgiAm0pY26/b9BrY4MR/PMw==",
+      "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 1eced69..1f14b01 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
   },
   "devDependencies": {
     "@types/chai": "^4.1.7",
-    "@types/mocha": "^5.2.6",
+    "@types/mocha": "^9.0.0",
     "@types/node": "^10.14.6",
     "chai": "^4.2.0",
     "mocha": "^5.2.0",