diff --git a/package.json b/package.json
index 34889d6e9..4a9848e1b 100644
--- a/package.json
+++ b/package.json
@@ -188,7 +188,7 @@
     "mathjax": "2.7.9",
     "mermaid": "8.10.2",
     "mini-css-extract-plugin": "1.6.0",
-    "mocha": "9.0.0",
+    "mocha": "9.0.1",
     "mock-require": "3.0.3",
     "optimize-css-assets-webpack-plugin": "6.0.0",
     "prismjs": "1.23.0",
diff --git a/yarn.lock b/yarn.lock
index 8810e39cf..9827291e8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6796,10 +6796,10 @@ mkdirp@^1.0.3, mkdirp@^1.0.4:
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
   integrity sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==
 
-mocha@9.0.0:
-  version "9.0.0"
-  resolved "https://registry.yarnpkg.com/mocha/-/mocha-9.0.0.tgz#67ce848170cb6426f9e84c57e38376dc9017bab4"
-  integrity sha512-GRGG/q9bIaUkHJB9NL+KZNjDhMBHB30zW3bZW9qOiYr+QChyLjPzswaxFWkI1q6lGlSL28EQYzAi2vKWNkPx+g==
+mocha@9.0.1:
+  version "9.0.1"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-9.0.1.tgz#01e66b7af0012330c0a38c4b6eaa6d92b8a81bf9"
+  integrity sha512-9zwsavlRO+5csZu6iRtl3GHImAbhERoDsZwdRkdJ/bE+eVplmoxNKE901ZJ9LdSchYBjSCPbjKc5XvcAri2ylw==
   dependencies:
     "@ungap/promise-all-settled" "1.1.2"
     ansi-colors "4.1.1"