diff --git a/package-lock.json b/package-lock.json
index 16e6d7e..083d642 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "@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": {
@@ -50,7 +50,7 @@
       "dependencies": {
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
diff --git a/package.json b/package.json
index c2fbabf..967eb67 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "lint": "node_modules/.bin/tslint -c tslint.json --project tsconfig.json"
   },
   "devDependencies": {
-    "@types/mocha": "^5.2.6",
+    "@types/mocha": "^9.0.0",
     "@types/node": "^8.0.0",
     "tslint": "^5.11.0",
     "typescript": "^3.1.3"