diff --git a/package.json b/package.json
index 0680f9e..98c06a9 100644
--- a/package.json
+++ b/package.json
@@ -26,8 +26,8 @@
 		"vitest": "^3.0"
 	},
 	"devDependencies": {
-		"@eslint/js": "^9.16.0",
-		"@types/eslint__js": "^8.42.3",
+		"@eslint/js": "^9.21.0",
+		"@types/eslint__js": "^9.14.0",
 		"@types/lodash": "^4.17.13",
 		"@types/node": "^22.10.1",
 		"@vitest/ui": "^3.0",
diff --git a/yarn.lock b/yarn.lock
index 5cf65cc..7919628 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -541,7 +541,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@eslint/js@npm:9.16.0, @eslint/js@npm:^9.16.0":
+"@eslint/js@npm:*, @eslint/js@npm:^9.21.0":
+  version: 9.21.0
+  resolution: "@eslint/js@npm:9.21.0"
+  checksum: 10/6c03f96a3e7c5825e780c707edbaa211ca976007a7194794a1e0cfaba76eae8759c9076ac15cab929b57323a117a385e99711395cbb3e58b8af7e5d95097160c
+  languageName: node
+  linkType: hard
+
+"@eslint/js@npm:9.16.0":
   version: 9.16.0
   resolution: "@eslint/js@npm:9.16.0"
   checksum: 10/122da09b6a2c6a92d68be26146af1da17d9d4e03cf9435a874d341f18519122eef9ed229e52a1b781dc5987239754954e80a0b11bbe8f65df96e9ef8f3b438ad
@@ -1946,33 +1953,23 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/eslint@npm:*":
-  version: 8.56.10
-  resolution: "@types/eslint@npm:8.56.10"
-  dependencies:
-    "@types/estree": "npm:*"
-    "@types/json-schema": "npm:*"
-  checksum: 10/0cdd914b944ebba51c35827d3ef95bc3e16eb82b4c2741f6437fa57cdb00a4407c77f89c220afe9e4c9566982ec8a0fb9b97c956ac3bd4623a3b6af32eed8424
-  languageName: node
-  linkType: hard
-
-"@types/eslint__js@npm:^8.42.3":
-  version: 8.42.3
-  resolution: "@types/eslint__js@npm:8.42.3"
+"@types/eslint__js@npm:^9.14.0":
+  version: 9.14.0
+  resolution: "@types/eslint__js@npm:9.14.0"
   dependencies:
-    "@types/eslint": "npm:*"
-  checksum: 10/e31f19de642d35a664695d0cab873ce6de19b8a3506755835b91f8a49a8c41099dcace449df49f1a486de6fa6565d21ceb1fa33be6004fc7adef9226e5d256a1
+    "@eslint/js": "npm:*"
+  checksum: 10/2bffe2e3d9401b6a530ba7fe8961ea786a6cf520abe11ef59435934df593fdd927c3cb3ac7afcd1c77961f0fab9a99d0d86b678f1124a96402105fd43309d38c
   languageName: node
   linkType: hard
 
-"@types/estree@npm:*, @types/estree@npm:1.0.6, @types/estree@npm:^1.0.0, @types/estree@npm:^1.0.6":
+"@types/estree@npm:1.0.6, @types/estree@npm:^1.0.0, @types/estree@npm:^1.0.6":
   version: 1.0.6
   resolution: "@types/estree@npm:1.0.6"
   checksum: 10/9d35d475095199c23e05b431bcdd1f6fec7380612aed068b14b2a08aa70494de8a9026765a5a91b1073f636fb0368f6d8973f518a31391d519e20c59388ed88d
   languageName: node
   linkType: hard
 
-"@types/json-schema@npm:*, @types/json-schema@npm:^7.0.15":
+"@types/json-schema@npm:^7.0.15":
   version: 7.0.15
   resolution: "@types/json-schema@npm:7.0.15"
   checksum: 10/1a3c3e06236e4c4aab89499c428d585527ce50c24fe8259e8b3926d3df4cfbbbcf306cfc73ddfb66cbafc973116efd15967020b0f738f63e09e64c7d260519e7
@@ -2402,10 +2399,10 @@ __metadata:
   dependencies:
     "@acala-network/chopsticks": "npm:^1.0"
     "@acala-network/chopsticks-testing": "npm:^1.0"
-    "@eslint/js": "npm:^9.16.0"
+    "@eslint/js": "npm:^9.21.0"
     "@polkadot/api": "npm:^15.0"
     "@swc/core": "npm:^1.10.0"
-    "@types/eslint__js": "npm:^8.42.3"
+    "@types/eslint__js": "npm:^9.14.0"
     "@types/lodash": "npm:^4.17.13"
     "@types/node": "npm:^22.10.1"
     "@vitest/ui": "npm:^3.0"