diff --git a/package.json b/package.json
index d4861b34018..5e5bfdd4a47 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "karma-sourcemap-loader": "^0.3.7",
     "karma-spec-reporter": "^0.0.32",
     "karma-webpack": "^5.0.0",
-    "mocha": "^8.3.2",
+    "mocha": "^8.4.0",
     "sinon": "^10.0.0",
     "webpack-cli": "^4.6.0"
   },
diff --git a/yarn.lock b/yarn.lock
index 02c5dbdca7c..c0d321cc94c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4469,10 +4469,10 @@ mkdirp@^0.5.1, mkdirp@^0.5.3:
   dependencies:
     minimist "^1.2.5"
 
-mocha@^8.3.2:
-  version "8.3.2"
-  resolved "https://registry.yarnpkg.com/mocha/-/mocha-8.3.2.tgz#53406f195fa86fbdebe71f8b1c6fb23221d69fcc"
-  integrity sha512-UdmISwr/5w+uXLPKspgoV7/RXZwKRTiTjJ2/AC5ZiEztIoOYdfKb19+9jNmEInzx5pBsCyJQzarAxqIGBNYJhg==
+mocha@^8.4.0:
+  version "8.4.0"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-8.4.0.tgz#677be88bf15980a3cae03a73e10a0fc3997f0cff"
+  integrity sha512-hJaO0mwDXmZS4ghXsvPVriOhsxQ7ofcpQdm8dE+jISUOKopitvnXFQmpRR7jd2K6VBG6E26gU3IAbXXGIbu4sQ==
   dependencies:
     "@ungap/promise-all-settled" "1.1.2"
     ansi-colors "4.1.1"