diff --git a/package-lock.json b/package-lock.json
index 1247349..c54f58f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -42,9 +42,9 @@
       "dev": true
     },
     "@types/mocha": {
-      "version": "5.2.7",
-      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-5.2.7.tgz",
-      "integrity": "sha512-NYrtPht0wGzhwe9+/idPaBB+TqkY9AhTvOLMkThm0IoEfLaiVQZwBwyJ5puCkO3AUCWrmcoePjp2mbFocKy4SQ==",
+      "version": "8.2.0",
+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-8.2.0.tgz",
+      "integrity": "sha512-/Sge3BymXo4lKc31C8OINJgXLaw+7vL1/L1pGiBNpGrBiT8FQiaFpSYV0uhTaG4y78vcMBTMFsWaHDvuD+xGzQ==",
       "dev": true
     },
     "@types/utf8": {
@@ -3393,6 +3393,12 @@
         "yargs": "^11.0.0"
       },
       "dependencies": {
+        "@types/mocha": {
+          "version": "5.2.7",
+          "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-5.2.7.tgz",
+          "integrity": "sha512-NYrtPht0wGzhwe9+/idPaBB+TqkY9AhTvOLMkThm0IoEfLaiVQZwBwyJ5puCkO3AUCWrmcoePjp2mbFocKy4SQ==",
+          "dev": true
+        },
         "ansi-regex": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
diff --git a/package.json b/package.json
index 0cc5949..4d941ae 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   },
   "devDependencies": {
     "@types/chai": "^4.2.1",
-    "@types/mocha": "^5.2.7",
+    "@types/mocha": "^8.2.0",
     "@types/utf8": "*",
     "chai": "^4.2.0",
     "gulp": "^4.0.2",