diff --git a/package-lock.json b/package-lock.json
index 5046ca1..b255a2e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -478,9 +478,9 @@
       "dev": true
     },
     "@types/mocha": {
-      "version": "8.2.3",
-      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-8.2.3.tgz",
-      "integrity": "sha512-ekGvFhFgrc2zYQoX4JeZPmVzZxw6Dtllga7iGHzfbYIYkAMUx/sAFP2GdFpLff+vdHXu5fl7WX9AT+TtqYcsyw==",
+      "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 2791e21..66def1b 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "@istanbuljs/nyc-config-typescript": "^1.0.1",
     "@types/chai": "^4.1.4",
     "@types/chai-as-promised": "^7.1.0",
-    "@types/mocha": "^8.0.3",
+    "@types/mocha": "^9.0.0",
     "@types/node": "^15.0.0",
     "@types/node-fetch": "^2.5.2",
     "@types/snekfetch": "^4.0.1",