diff --git a/package-lock.json b/package-lock.json
index 4527fcd..893bbab 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
     "requires": true,
     "dependencies": {
         "@types/mocha": {
-            "version": "5.2.5",
-            "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-5.2.5.tgz",
-            "integrity": "sha512-lAVp+Kj54ui/vLUFxsJTMtWvZraZxum3w3Nwkble2dNuV5VnPA+Mi2oGX9XYJAaIvZi3tn3cbjS/qcJXRb6Bww==",
+            "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 288a31c..8d4aa5a 100644
--- a/package.json
+++ b/package.json
@@ -48,6 +48,6 @@
         "typescript"   : "^3.1.6",
         "vscode"       : "^1.1.21",
         "@types/node"  : "^10.12.10",
-        "@types/mocha" : "^5.2.5"
+        "@types/mocha" : "^9.0.0"
     }
 }