diff --git a/package-lock.json b/package-lock.json
index 71d9c632..0f4611c8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
       "devDependencies": {
         "esbuild": "^0.23.1",
         "eslint": "^9.10.0",
-        "mocha": "^10.7.3"
+        "mocha": "^10.8.2"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -1505,9 +1505,9 @@
       }
     },
     "node_modules/mocha": {
-      "version": "10.7.3",
-      "resolved": "https://registry.npmjs.org/mocha/-/mocha-10.7.3.tgz",
-      "integrity": "sha512-uQWxAu44wwiACGqjbPYmjo7Lg8sFrS3dQe7PP2FQI+woptP4vZXSMcfMyFL/e1yFEeEpV4RtyTpZROOKmxis+A==",
+      "version": "10.8.2",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-10.8.2.tgz",
+      "integrity": "sha512-VZlYo/WE8t1tstuRmqgeyBgCbJc/lEdopaa+axcKzTBJ+UIdlAB9XnmvTCAH4pwR4ElNInaedhEBmZD8iCSVEg==",
       "dev": true,
       "dependencies": {
         "ansi-colors": "^4.1.3",
@@ -3038,9 +3038,9 @@
       }
     },
     "mocha": {
-      "version": "10.7.3",
-      "resolved": "https://registry.npmjs.org/mocha/-/mocha-10.7.3.tgz",
-      "integrity": "sha512-uQWxAu44wwiACGqjbPYmjo7Lg8sFrS3dQe7PP2FQI+woptP4vZXSMcfMyFL/e1yFEeEpV4RtyTpZROOKmxis+A==",
+      "version": "10.8.2",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-10.8.2.tgz",
+      "integrity": "sha512-VZlYo/WE8t1tstuRmqgeyBgCbJc/lEdopaa+axcKzTBJ+UIdlAB9XnmvTCAH4pwR4ElNInaedhEBmZD8iCSVEg==",
       "dev": true,
       "requires": {
         "ansi-colors": "^4.1.3",
diff --git a/package.json b/package.json
index 4b0ea456..e324c6b6 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "d:esm": "esbuild --bundle src/opentype.mjs --outdir=dist --target=es2018 --format=esm  --out-extension:.js=.min.mjs --define:DEBUG=false --minify --sourcemap"
   },
   "devDependencies": {
-    "mocha": "^10.7.3",
+    "mocha": "^10.8.2",
     "esbuild": "^0.23.1",
     "eslint": "^9.10.0"
   },