diff --git a/package-lock.json b/package-lock.json
index b090261ce..591acdab3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
 				"@microsoft/api-extractor": "^7.8.0",
 				"@tscc/tscc": "^0.6.3",
 				"@types/chai": "^4.2.14",
-				"@types/mocha": "^7.0.2",
+				"@types/mocha": "^9.0.0",
 				"@types/node": "^14.0.1",
 				"@types/node-static": "^0.7.6",
 				"@types/sinon": "^9.0.10",
@@ -1042,9 +1042,9 @@
 			"dev": true
 		},
 		"node_modules/@types/mocha": {
-			"version": "7.0.2",
-			"resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-7.0.2.tgz",
-			"integrity": "sha512-ZvO2tAcjmMi8V/5Z3JsyofMe3hasRcaw88cto5etSVMwVQfeivGAlEYmaQgceUSVYFofVjT+ioHsATjdWcFt1w==",
+			"version": "9.0.0",
+			"resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-9.0.0.tgz",
+			"integrity": "sha512-scN0hAWyLVAvLR9AyW7HoFF5sJZglyBsbPuHO4fv7JRvfmPBMfp1ozWqOf/e4wwPNxezBZXRfWzMb6iFLgEVRA==",
 			"dev": true
 		},
 		"node_modules/@types/node": {
@@ -9228,9 +9228,9 @@
 			"dev": true
 		},
 		"@types/mocha": {
-			"version": "7.0.2",
-			"resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-7.0.2.tgz",
-			"integrity": "sha512-ZvO2tAcjmMi8V/5Z3JsyofMe3hasRcaw88cto5etSVMwVQfeivGAlEYmaQgceUSVYFofVjT+ioHsATjdWcFt1w==",
+			"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 b24efc326..9ed8d760a 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
 		"@microsoft/api-extractor": "^7.8.0",
 		"@tscc/tscc": "^0.6.3",
 		"@types/chai": "^4.2.14",
-		"@types/mocha": "^7.0.2",
+		"@types/mocha": "^9.0.0",
 		"@types/node": "^14.0.1",
 		"@types/node-static": "^0.7.6",
 		"@types/sinon": "^9.0.10",