diff --git a/package-lock.json b/package-lock.json
index 468f4c4..5329ef3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1146,9 +1146,9 @@
       "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": "7.0.2",
+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-7.0.2.tgz",
+      "integrity": "sha512-ZvO2tAcjmMi8V/5Z3JsyofMe3hasRcaw88cto5etSVMwVQfeivGAlEYmaQgceUSVYFofVjT+ioHsATjdWcFt1w==",
       "dev": true
     },
     "@types/node": {
diff --git a/package.json b/package.json
index 9d97405..84900cb 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "@babel/preset-typescript": "^7.6.0",
     "@open-wc/karma-esm": "^2.9.0",
     "@types/chai": "^4.2.4",
-    "@types/mocha": "^5.2.7",
+    "@types/mocha": "^7.0.2",
     "@typescript-eslint/eslint-plugin": "^2.5.0",
     "@typescript-eslint/parser": "^2.5.0",
     "banner-cli": "^0.14.1",