diff --git a/package-lock.json b/package-lock.json
index cfa1f9d..137bf2f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -579,9 +579,9 @@
             "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 ef0de6f..82e11ad 100644
--- a/package.json
+++ b/package.json
@@ -234,7 +234,7 @@
         "@types/istanbul-lib-report": "^3.0.0",
         "@types/istanbul-lib-source-maps": "^4.0.1",
         "@types/istanbul-reports": "^3.0.0",
-        "@types/mocha": "^8.2.0",
+        "@types/mocha": "^9.0.0",
         "@types/node": "~8.10.59",
         "@types/sinon": "^9.0.10",
         "@types/vscode": "1.26.0",