diff --git a/packages/rule-tester/package.json b/packages/rule-tester/package.json
index dc7e1c793fb7..d3eda706ca5f 100644
--- a/packages/rule-tester/package.json
+++ b/packages/rule-tester/package.json
@@ -66,7 +66,7 @@
     "eslint-visitor-keys": "^4.2.0",
     "espree": "^10.3.0",
     "esprima": "^4.0.1",
-    "mocha": "^10.4.0",
+    "mocha": "^11.0.0",
     "sinon": "^20.0.0",
     "source-map-support": "^0.5.21",
     "typescript": "*",
diff --git a/yarn.lock b/yarn.lock
index e20c122fbd3c..070f296a4988 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5459,7 +5459,7 @@ __metadata:
     esprima: ^4.0.1
     json-stable-stringify-without-jsonify: ^1.0.1
     lodash.merge: 4.6.2
-    mocha: ^10.4.0
+    mocha: ^11.0.0
     semver: ^7.6.0
     sinon: ^20.0.0
     source-map-support: ^0.5.21
@@ -6232,7 +6232,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ansi-colors@npm:^4.1.1, ansi-colors@npm:^4.1.3":
+"ansi-colors@npm:^4.1.1":
   version: 4.1.3
   resolution: "ansi-colors@npm:4.1.3"
   checksum: a9c2ec842038a1fabc7db9ece7d3177e2fe1c5dc6f0c51ecfbf5f39911427b89c00b5dc6b8bd95f82a26e9b16aaae2e83d45f060e98070ce4d1333038edceb0e
@@ -7232,6 +7232,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"chokidar@npm:^4.0.1":
+  version: 4.0.3
+  resolution: "chokidar@npm:4.0.3"
+  dependencies:
+    readdirp: ^4.0.1
+  checksum: a8765e452bbafd04f3f2fad79f04222dd65f43161488bb6014a41099e6ca18d166af613d59a90771908c1c823efa3f46ba36b86ac50b701c20c1b9908c5fe36e
+  languageName: node
+  linkType: hard
+
 "chownr@npm:^2.0.0":
   version: 2.0.0
   resolution: "chownr@npm:2.0.0"
@@ -7357,17 +7366,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"cliui@npm:^7.0.2":
-  version: 7.0.4
-  resolution: "cliui@npm:7.0.4"
-  dependencies:
-    string-width: ^4.2.0
-    strip-ansi: ^6.0.0
-    wrap-ansi: ^7.0.0
-  checksum: ce2e8f578a4813806788ac399b9e866297740eecd4ad1823c27fd344d78b22c5f8597d548adbcc46f0573e43e21e751f39446c5a5e804a12aace402b7a315d7f
-  languageName: node
-  linkType: hard
-
 "cliui@npm:^8.0.1":
   version: 8.0.1
   resolution: "cliui@npm:8.0.1"
@@ -10631,7 +10629,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"glob@npm:^10.3.7, glob@npm:^10.4.1, glob@npm:~10.4.5":
+"glob@npm:^10.3.7, glob@npm:^10.4.1, glob@npm:^10.4.5, glob@npm:~10.4.5":
   version: 10.4.5
   resolution: "glob@npm:10.4.5"
   dependencies:
@@ -10661,19 +10659,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"glob@npm:^8.1.0":
-  version: 8.1.0
-  resolution: "glob@npm:8.1.0"
-  dependencies:
-    fs.realpath: ^1.0.0
-    inflight: ^1.0.4
-    inherits: 2
-    minimatch: ^5.0.1
-    once: ^1.3.0
-  checksum: 92fbea3221a7d12075f26f0227abac435de868dd0736a17170663783296d0dd8d3d532a5672b4488a439bf5d7fb85cdd07c11185d6cd39184f0385cbdfb86a47
-  languageName: node
-  linkType: hard
-
 "glob@npm:^9.3.1":
   version: 9.3.5
   resolution: "glob@npm:9.3.5"
@@ -14309,34 +14294,34 @@ __metadata:
   languageName: node
   linkType: hard
 
-"mocha@npm:^10.4.0":
-  version: 10.8.2
-  resolution: "mocha@npm:10.8.2"
+"mocha@npm:^11.0.0":
+  version: 11.2.2
+  resolution: "mocha@npm:11.2.2"
   dependencies:
-    ansi-colors: ^4.1.3
     browser-stdout: ^1.3.1
-    chokidar: ^3.5.3
+    chokidar: ^4.0.1
     debug: ^4.3.5
     diff: ^5.2.0
     escape-string-regexp: ^4.0.0
     find-up: ^5.0.0
-    glob: ^8.1.0
+    glob: ^10.4.5
     he: ^1.2.0
     js-yaml: ^4.1.0
     log-symbols: ^4.1.0
     minimatch: ^5.1.6
     ms: ^2.1.3
+    picocolors: ^1.1.1
     serialize-javascript: ^6.0.2
     strip-json-comments: ^3.1.1
     supports-color: ^8.1.1
     workerpool: ^6.5.1
-    yargs: ^16.2.0
-    yargs-parser: ^20.2.9
+    yargs: ^17.7.2
+    yargs-parser: ^21.1.1
     yargs-unparser: ^2.0.0
   bin:
     _mocha: bin/_mocha
     mocha: bin/mocha.js
-  checksum: 68cb519503f1e8ffd9b0651e1aef75dfe4754425186756b21e53169da44b5bcb1889e2b743711205082763d3f9a42eb8eb2c13bb1a718a08cb3a5f563bfcacdc
+  checksum: ac012ac2413e1705077a30e9b7d0172095ccc027fea54da0d84688754b42c2bca32dc24aaff2502ea869f53901d2b970b5a0697cf32b19433f350f89196d6e47
   languageName: node
   linkType: hard
 
@@ -16373,6 +16358,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"readdirp@npm:^4.0.1":
+  version: 4.1.2
+  resolution: "readdirp@npm:4.1.2"
+  checksum: 3242ee125422cb7c0e12d51452e993f507e6ed3d8c490bc8bf3366c5cdd09167562224e429b13e9cb2b98d4b8b2b11dc100d3c73883aa92d657ade5a21ded004
+  languageName: node
+  linkType: hard
+
 "readdirp@npm:~3.6.0":
   version: 3.6.0
   resolution: "readdirp@npm:3.6.0"
@@ -20180,13 +20172,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"yargs-parser@npm:^20.2.2, yargs-parser@npm:^20.2.9":
-  version: 20.2.9
-  resolution: "yargs-parser@npm:20.2.9"
-  checksum: 8bb69015f2b0ff9e17b2c8e6bfe224ab463dd00ca211eece72a4cd8a906224d2703fb8a326d36fdd0e68701e201b2a60ed7cf81ce0fd9b3799f9fe7745977ae3
-  languageName: node
-  linkType: hard
-
 "yargs-unparser@npm:^2.0.0":
   version: 2.0.0
   resolution: "yargs-unparser@npm:2.0.0"
@@ -20199,7 +20184,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"yargs@npm:17.7.2, yargs@npm:^17.6.2":
+"yargs@npm:17.7.2, yargs@npm:^17.6.2, yargs@npm:^17.7.2":
   version: 17.7.2
   resolution: "yargs@npm:17.7.2"
   dependencies:
@@ -20214,21 +20199,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"yargs@npm:^16.2.0":
-  version: 16.2.0
-  resolution: "yargs@npm:16.2.0"
-  dependencies:
-    cliui: ^7.0.2
-    escalade: ^3.1.1
-    get-caller-file: ^2.0.5
-    require-directory: ^2.1.1
-    string-width: ^4.2.0
-    y18n: ^5.0.5
-    yargs-parser: ^20.2.2
-  checksum: b14afbb51e3251a204d81937c86a7e9d4bdbf9a2bcee38226c900d00f522969ab675703bee2a6f99f8e20103f608382936034e64d921b74df82b63c07c5e8f59
-  languageName: node
-  linkType: hard
-
 "yocto-queue@npm:^0.1.0":
   version: 0.1.0
   resolution: "yocto-queue@npm:0.1.0"