diff --git a/package.json b/package.json
index e3c8a0c3..dfd1aec4 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
     }
   },
   "devDependencies": {
-    "@eslint/js": "^9.19.0",
+    "@eslint/js": "^9.21.0",
     "@stylistic/eslint-plugin": "^3.0.1",
     "@types/common-tags": "^1.8.4",
     "@types/node": "~18.18.0",
@@ -82,7 +82,7 @@
     "@vitest/coverage-v8": "^2.1.8",
     "@vitest/eslint-plugin": "^1.1.25",
     "bumpp": "^10.0.3",
-    "eslint": "^9.19.0",
+    "eslint": "^9.21.0",
     "eslint-config-flat-gitignore": "^2.0.0",
     "eslint-doc-generator": "^2.0.2",
     "eslint-import-resolver-typescript": "^3.7.0",
diff --git a/yarn.lock b/yarn.lock
index b591e178..7fcd8cc2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -427,29 +427,29 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@eslint/config-array@npm:^0.19.0":
-  version: 0.19.0
-  resolution: "@eslint/config-array@npm:0.19.0"
+"@eslint/config-array@npm:^0.19.2":
+  version: 0.19.2
+  resolution: "@eslint/config-array@npm:0.19.2"
   dependencies:
-    "@eslint/object-schema": "npm:^2.1.4"
+    "@eslint/object-schema": "npm:^2.1.6"
     debug: "npm:^4.3.1"
     minimatch: "npm:^3.1.2"
-  checksum: 10c0/def23c6c67a8f98dc88f1b87e17a5668e5028f5ab9459661aabfe08e08f2acd557474bbaf9ba227be0921ae4db232c62773dbb7739815f8415678eb8f592dbf5
+  checksum: 10c0/dd68da9abb32d336233ac4fe0db1e15a0a8d794b6e69abb9e57545d746a97f6f542496ff9db0d7e27fab1438546250d810d90b1904ac67677215b8d8e7573f3d
   languageName: node
   linkType: hard
 
-"@eslint/core@npm:^0.10.0":
-  version: 0.10.0
-  resolution: "@eslint/core@npm:0.10.0"
+"@eslint/core@npm:^0.12.0":
+  version: 0.12.0
+  resolution: "@eslint/core@npm:0.12.0"
   dependencies:
     "@types/json-schema": "npm:^7.0.15"
-  checksum: 10c0/074018075079b3ed1f14fab9d116f11a8824cdfae3e822badf7ad546962fafe717a31e61459bad8cc59cf7070dc413ea9064ddb75c114f05b05921029cde0a64
+  checksum: 10c0/d032af81195bb28dd800c2b9617548c6c2a09b9490da3c5537fd2a1201501666d06492278bb92cfccac1f7ac249e58601dd87f813ec0d6a423ef0880434fa0c3
   languageName: node
   linkType: hard
 
-"@eslint/eslintrc@npm:^3.2.0":
-  version: 3.2.0
-  resolution: "@eslint/eslintrc@npm:3.2.0"
+"@eslint/eslintrc@npm:^3.3.0":
+  version: 3.3.0
+  resolution: "@eslint/eslintrc@npm:3.3.0"
   dependencies:
     ajv: "npm:^6.12.4"
     debug: "npm:^4.3.2"
@@ -460,31 +460,31 @@ __metadata:
     js-yaml: "npm:^4.1.0"
     minimatch: "npm:^3.1.2"
     strip-json-comments: "npm:^3.1.1"
-  checksum: 10c0/43867a07ff9884d895d9855edba41acf325ef7664a8df41d957135a81a477ff4df4196f5f74dc3382627e5cc8b7ad6b815c2cea1b58f04a75aced7c43414ab8b
+  checksum: 10c0/215de990231b31e2fe6458f225d8cea0f5c781d3ecb0b7920703501f8cd21b3101fc5ef2f0d4f9a38865d36647b983e0e8ce8bf12fd2bcdd227fc48a5b1a43be
   languageName: node
   linkType: hard
 
-"@eslint/js@npm:9.19.0, @eslint/js@npm:^9.19.0":
-  version: 9.19.0
-  resolution: "@eslint/js@npm:9.19.0"
-  checksum: 10c0/45dc544c8803984f80a438b47a8e578fae4f6e15bc8478a703827aaf05e21380b42a43560374ce4dad0d5cb6349e17430fc9ce1686fed2efe5d1ff117939ff90
+"@eslint/js@npm:9.21.0, @eslint/js@npm:^9.21.0":
+  version: 9.21.0
+  resolution: "@eslint/js@npm:9.21.0"
+  checksum: 10c0/86c24a2668808995037e3f40c758335df2ae277c553ac0cf84381a1a8698f3099d8a22dd9c388947e6b7f93fcc1142f62406072faaa2b83c43ca79993fc01bb3
   languageName: node
   linkType: hard
 
-"@eslint/object-schema@npm:^2.1.4":
-  version: 2.1.4
-  resolution: "@eslint/object-schema@npm:2.1.4"
-  checksum: 10c0/e9885532ea70e483fb007bf1275968b05bb15ebaa506d98560c41a41220d33d342e19023d5f2939fed6eb59676c1bda5c847c284b4b55fce521d282004da4dda
+"@eslint/object-schema@npm:^2.1.6":
+  version: 2.1.6
+  resolution: "@eslint/object-schema@npm:2.1.6"
+  checksum: 10c0/b8cdb7edea5bc5f6a96173f8d768d3554a628327af536da2fc6967a93b040f2557114d98dbcdbf389d5a7b290985ad6a9ce5babc547f36fc1fde42e674d11a56
   languageName: node
   linkType: hard
 
-"@eslint/plugin-kit@npm:^0.2.5":
-  version: 0.2.5
-  resolution: "@eslint/plugin-kit@npm:0.2.5"
+"@eslint/plugin-kit@npm:^0.2.7":
+  version: 0.2.7
+  resolution: "@eslint/plugin-kit@npm:0.2.7"
   dependencies:
-    "@eslint/core": "npm:^0.10.0"
+    "@eslint/core": "npm:^0.12.0"
     levn: "npm:^0.4.1"
-  checksum: 10c0/ba9832b8409af618cf61791805fe201dd62f3c82c783adfcec0f5cd391e68b40beaecb47b9a3209e926dbcab65135f410cae405b69a559197795793399f61176
+  checksum: 10c0/0a1aff1ad63e72aca923217e556c6dfd67d7cd121870eb7686355d7d1475d569773528a8b2111b9176f3d91d2ea81f7413c34600e8e5b73d59e005d70780b633
   languageName: node
   linkType: hard
 
@@ -519,10 +519,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@humanwhocodes/retry@npm:^0.4.1":
-  version: 0.4.1
-  resolution: "@humanwhocodes/retry@npm:0.4.1"
-  checksum: 10c0/be7bb6841c4c01d0b767d9bb1ec1c9359ee61421ce8ba66c249d035c5acdfd080f32d55a5c9e859cdd7868788b8935774f65b2caf24ec0b7bd7bf333791f063b
+"@humanwhocodes/retry@npm:^0.4.2":
+  version: 0.4.2
+  resolution: "@humanwhocodes/retry@npm:0.4.2"
+  checksum: 10c0/0235525d38f243bee3bf8b25ed395fbf957fb51c08adae52787e1325673071abe856c7e18e530922ed2dd3ce12ed82ba01b8cee0279ac52a3315fcdc3a69ef0c
   languageName: node
   linkType: hard
 
@@ -2143,7 +2143,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "eslint-plugin-rxjs-x@workspace:."
   dependencies:
-    "@eslint/js": "npm:^9.19.0"
+    "@eslint/js": "npm:^9.21.0"
     "@stylistic/eslint-plugin": "npm:^3.0.1"
     "@types/common-tags": "npm:^1.8.4"
     "@types/node": "npm:~18.18.0"
@@ -2156,7 +2156,7 @@ __metadata:
     bumpp: "npm:^10.0.3"
     common-tags: "npm:^1.8.0"
     decamelize: "npm:^5.0.1"
-    eslint: "npm:^9.19.0"
+    eslint: "npm:^9.21.0"
     eslint-config-flat-gitignore: "npm:^2.0.0"
     eslint-doc-generator: "npm:^2.0.2"
     eslint-import-resolver-typescript: "npm:^3.7.0"
@@ -2205,20 +2205,20 @@ __metadata:
   languageName: node
   linkType: hard
 
-"eslint@npm:^9.19.0":
-  version: 9.19.0
-  resolution: "eslint@npm:9.19.0"
+"eslint@npm:^9.21.0":
+  version: 9.21.0
+  resolution: "eslint@npm:9.21.0"
   dependencies:
     "@eslint-community/eslint-utils": "npm:^4.2.0"
     "@eslint-community/regexpp": "npm:^4.12.1"
-    "@eslint/config-array": "npm:^0.19.0"
-    "@eslint/core": "npm:^0.10.0"
-    "@eslint/eslintrc": "npm:^3.2.0"
-    "@eslint/js": "npm:9.19.0"
-    "@eslint/plugin-kit": "npm:^0.2.5"
+    "@eslint/config-array": "npm:^0.19.2"
+    "@eslint/core": "npm:^0.12.0"
+    "@eslint/eslintrc": "npm:^3.3.0"
+    "@eslint/js": "npm:9.21.0"
+    "@eslint/plugin-kit": "npm:^0.2.7"
     "@humanfs/node": "npm:^0.16.6"
     "@humanwhocodes/module-importer": "npm:^1.0.1"
-    "@humanwhocodes/retry": "npm:^0.4.1"
+    "@humanwhocodes/retry": "npm:^0.4.2"
     "@types/estree": "npm:^1.0.6"
     "@types/json-schema": "npm:^7.0.15"
     ajv: "npm:^6.12.4"
@@ -2250,7 +2250,7 @@ __metadata:
       optional: true
   bin:
     eslint: bin/eslint.js
-  checksum: 10c0/3b0dfaeff6a831de086884a3e2432f18468fe37c69f35e1a0a9a2833d9994a65b6dd2a524aaee28f361c849035ad9d15e3841029b67d261d0abd62c7de6d51f5
+  checksum: 10c0/558edb25b440cd51825d66fed3e84f1081bd6f4cb2cf994e60ece4c5978fa0583e88b75faf187c1fc21688c4ff7072f12bf5f6d1be1e09a4d6af78cff39dc520
   languageName: node
   linkType: hard