diff --git a/package-lock.json b/package-lock.json
index 4a63e9d40..20eae267e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "chai": "^5.2.0",
         "eslint": "^8.57.1",
         "eslint-plugin-compat": "^6.0.2",
-        "mocha": "^11.3.0",
+        "mocha": "^11.4.0",
         "nightmare": "^3.0.2",
         "nyc": "^17.1.0",
         "stylelint": "^16.19.1",
@@ -2962,9 +2962,9 @@
       }
     },
     "node_modules/diff": {
-      "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-5.2.0.tgz",
-      "integrity": "sha512-uIFDxqpRZGZ6ThOk84hEfqWoHx2devRFvpTZcTHur85vImfaxUbTW9Ryh4CpCuDnToOP1CEtXKIgytHBPVff5A==",
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-7.0.0.tgz",
+      "integrity": "sha512-PJWHUb1RFevKCwaFA9RlG5tCd+FO5iRh9A8HEtkmBH2Li03iJriB6m6JIN4rGz3K3JLawI7/veA1xzRKP6ISBw==",
       "dev": true,
       "license": "BSD-3-Clause",
       "engines": {
@@ -5127,16 +5127,16 @@
       }
     },
     "node_modules/mocha": {
-      "version": "11.3.0",
-      "resolved": "https://registry.npmjs.org/mocha/-/mocha-11.3.0.tgz",
-      "integrity": "sha512-J0RLIM89xi8y6l77bgbX+03PeBRDQCOVQpnwOcCN7b8hCmbh6JvGI2ZDJ5WMoHz+IaPU+S4lvTd0j51GmBAdgQ==",
+      "version": "11.4.0",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-11.4.0.tgz",
+      "integrity": "sha512-O6oi5Y9G6uu8f9iqXR6iKNLWHLRex3PKbmHynfpmUnMJJGrdgXh8ZmS85Ei5KR2Gnl+/gQ9s+Ktv5CqKybNw4A==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "browser-stdout": "^1.3.1",
         "chokidar": "^4.0.1",
         "debug": "^4.3.5",
-        "diff": "^5.2.0",
+        "diff": "^7.0.0",
         "escape-string-regexp": "^4.0.0",
         "find-up": "^5.0.0",
         "glob": "^10.4.5",
diff --git a/package.json b/package.json
index eab475cc1..5d63900ae 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "chai": "^5.2.0",
     "eslint": "^8.57.1",
     "eslint-plugin-compat": "^6.0.2",
-    "mocha": "^11.3.0",
+    "mocha": "^11.4.0",
     "nightmare": "^3.0.2",
     "nyc": "^17.1.0",
     "stylelint": "^16.19.1",