diff --git a/package-lock.json b/package-lock.json
index 60799df76fe8..a3b4602d012e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
         "@webref/idl": "file:packages/idl",
         "css-tree": "2.3.1",
         "flags": "0.2.2",
-        "mocha": "10.7.3",
+        "mocha": "10.8.1",
         "reffy": "17.2.7",
         "rimraf": "6.0.1",
         "strudy": "^3.0.2",
@@ -2367,9 +2367,9 @@
       }
     },
     "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": "10.8.1",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-10.8.1.tgz",
+      "integrity": "sha512-WxSpEWgF03HfgNKBuysfK40DUaOSVX5zxgLDoieMGO+zyE69iq2eQ1vBypvIJ5mOPKpuVAqWiTbt4Orj7L6wVw==",
       "dev": true,
       "dependencies": {
         "ansi-colors": "^4.1.3",
@@ -3766,7 +3766,7 @@
     },
     "packages/css": {
       "name": "@webref/css",
-      "version": "6.16.1",
+      "version": "6.17.1",
       "dev": true,
       "license": "MIT",
       "peerDependencies": {
@@ -3781,13 +3781,13 @@
     },
     "packages/events": {
       "name": "@webref/events",
-      "version": "1.14.1",
+      "version": "1.15.0",
       "dev": true,
       "license": "MIT"
     },
     "packages/idl": {
       "name": "@webref/idl",
-      "version": "3.55.3",
+      "version": "3.55.4",
       "dev": true,
       "license": "MIT",
       "peerDependencies": {
@@ -5536,9 +5536,9 @@
       "dev": true
     },
     "mocha": {
-      "version": "10.7.3",
-      "resolved": "https://registry.npmjs.org/mocha/-/mocha-10.7.3.tgz",
-      "integrity": "sha512-uQWxAu44wwiACGqjbPYmjo7Lg8sFrS3dQe7PP2FQI+woptP4vZXSMcfMyFL/e1yFEeEpV4RtyTpZROOKmxis+A==",
+      "version": "10.8.1",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-10.8.1.tgz",
+      "integrity": "sha512-WxSpEWgF03HfgNKBuysfK40DUaOSVX5zxgLDoieMGO+zyE69iq2eQ1vBypvIJ5mOPKpuVAqWiTbt4Orj7L6wVw==",
       "dev": true,
       "requires": {
         "ansi-colors": "^4.1.3",
diff --git a/package.json b/package.json
index 57191169e798..57a01c6816a4 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@webref/idl": "file:packages/idl",
     "css-tree": "2.3.1",
     "flags": "0.2.2",
-    "mocha": "10.7.3",
+    "mocha": "10.8.1",
     "reffy": "17.2.7",
     "rimraf": "6.0.1",
     "strudy": "^3.0.2",