diff --git a/package.json b/package.json
index 15bb868..dba2dca 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "^3.10.1",
-    "@typescript-eslint/parser": "^3.10.1",
+    "@typescript-eslint/parser": "^8.4.0",
     "cross-env": "^7.0.2",
     "eslint": "^7.7.0",
     "eslint-config-prettier": "^6.11.0",
diff --git a/pkgs/froute/package.json b/pkgs/froute/package.json
index 7a13e67..6fa9ff7 100644
--- a/pkgs/froute/package.json
+++ b/pkgs/froute/package.json
@@ -30,7 +30,7 @@
     "@types/path-to-regexp": "^1.7.0",
     "@types/react": "^17.0.38",
     "@typescript-eslint/eslint-plugin": "^5.59.5",
-    "@typescript-eslint/parser": "^5.59.5",
+    "@typescript-eslint/parser": "^8.4.0",
     "eslint": "^8.40.0",
     "eslint-config-prettier": "^8.8.0",
     "eslint-plugin-prettier": "^4.2.1",
diff --git a/yarn.lock b/yarn.lock
index 9deb3e3..31b7270 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -333,7 +333,7 @@ __metadata:
     "@types/path-to-regexp": ^1.7.0
     "@types/react": ^17.0.38
     "@typescript-eslint/eslint-plugin": ^5.59.5
-    "@typescript-eslint/parser": ^5.59.5
+    "@typescript-eslint/parser": ^8.4.0
     eslint: ^8.40.0
     eslint-config-prettier: ^8.8.0
     eslint-plugin-prettier: ^4.2.1
@@ -1608,13 +1608,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/eslint-visitor-keys@npm:^1.0.0":
-  version: 1.0.0
-  resolution: "@types/eslint-visitor-keys@npm:1.0.0"
-  checksum: a90f0b023e357a59ea04268e0387cfb0ea06703068cc48fe2ca97fa158bcf3c51a6611a56bdbdf763e3451150b92bba3fb5d0b689fc55f856cae8555ec366a63
-  languageName: node
-  linkType: hard
-
 "@types/estree@npm:^1.0.0":
   version: 1.0.1
   resolution: "@types/estree@npm:1.0.1"
@@ -1883,38 +1876,21 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@typescript-eslint/parser@npm:^3.10.1":
-  version: 3.10.1
-  resolution: "@typescript-eslint/parser@npm:3.10.1"
+"@typescript-eslint/parser@npm:^8.4.0":
+  version: 8.4.0
+  resolution: "@typescript-eslint/parser@npm:8.4.0"
   dependencies:
-    "@types/eslint-visitor-keys": ^1.0.0
-    "@typescript-eslint/experimental-utils": 3.10.1
-    "@typescript-eslint/types": 3.10.1
-    "@typescript-eslint/typescript-estree": 3.10.1
-    eslint-visitor-keys: ^1.1.0
-  peerDependencies:
-    eslint: ^5.0.0 || ^6.0.0 || ^7.0.0
-  peerDependenciesMeta:
-    typescript:
-      optional: true
-  checksum: 4939ed1dd1ce21772574266a7f36d7451397ab40fc9d753a06cb79c966bd07364f5ff6753483c1b4f23ab40884f18d64525fe64cb6b4da7ec0581b29e18a238a
-  languageName: node
-  linkType: hard
-
-"@typescript-eslint/parser@npm:^5.59.5":
-  version: 5.59.5
-  resolution: "@typescript-eslint/parser@npm:5.59.5"
-  dependencies:
-    "@typescript-eslint/scope-manager": 5.59.5
-    "@typescript-eslint/types": 5.59.5
-    "@typescript-eslint/typescript-estree": 5.59.5
+    "@typescript-eslint/scope-manager": 8.4.0
+    "@typescript-eslint/types": 8.4.0
+    "@typescript-eslint/typescript-estree": 8.4.0
+    "@typescript-eslint/visitor-keys": 8.4.0
     debug: ^4.3.4
   peerDependencies:
-    eslint: ^6.0.0 || ^7.0.0 || ^8.0.0
+    eslint: ^8.57.0 || ^9.0.0
   peerDependenciesMeta:
     typescript:
       optional: true
-  checksum: ef4122074f2c00be1dabbb3fb5534280f81b45f8de6c1a696092af5175684fea65bc002814546d06f880ea5beff2006589e2633662e92d65035437c8e2d9134c
+  checksum: 4c91ac5e7e276a8e216971dfc525c9864250e2cc37f7a476290fc09ff7e646d332dedf52481dc69f7a78611f3709f032f8d64550a88cd1febfa9f009f3b3e564
   languageName: node
   linkType: hard
 
@@ -1928,6 +1904,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/scope-manager@npm:8.4.0":
+  version: 8.4.0
+  resolution: "@typescript-eslint/scope-manager@npm:8.4.0"
+  dependencies:
+    "@typescript-eslint/types": 8.4.0
+    "@typescript-eslint/visitor-keys": 8.4.0
+  checksum: 0a513bcaf35dbee789bff6ca9cbc8f237b2efa85347bda17de3c66a35e913790b8e69b7ad824eeebd6bb9e218cd8b696da8901f10bf0e9107a8ed19072f86152
+  languageName: node
+  linkType: hard
+
 "@typescript-eslint/type-utils@npm:5.59.5":
   version: 5.59.5
   resolution: "@typescript-eslint/type-utils@npm:5.59.5"
@@ -1959,6 +1945,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/types@npm:8.4.0":
+  version: 8.4.0
+  resolution: "@typescript-eslint/types@npm:8.4.0"
+  checksum: d1d486503e10e98bf124931e83d83e82cba1690d846190a8d196137d6c00ccbe47e7b84cc0b86cb3daffaaca22d32df5694ac0bcb28812139855b427857751f4
+  languageName: node
+  linkType: hard
+
 "@typescript-eslint/typescript-estree@npm:3.10.1":
   version: 3.10.1
   resolution: "@typescript-eslint/typescript-estree@npm:3.10.1"
@@ -1996,6 +1989,25 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/typescript-estree@npm:8.4.0":
+  version: 8.4.0
+  resolution: "@typescript-eslint/typescript-estree@npm:8.4.0"
+  dependencies:
+    "@typescript-eslint/types": 8.4.0
+    "@typescript-eslint/visitor-keys": 8.4.0
+    debug: ^4.3.4
+    fast-glob: ^3.3.2
+    is-glob: ^4.0.3
+    minimatch: ^9.0.4
+    semver: ^7.6.0
+    ts-api-utils: ^1.3.0
+  peerDependenciesMeta:
+    typescript:
+      optional: true
+  checksum: 6ae4a2fb8c6066c9a893e4bd6b741e8ff45a4f17178d5e13dea41c414fa0f141f93f1b412c0a683aeb209c4e5781d4380bba51c513d439c6432136ab8823c83c
+  languageName: node
+  linkType: hard
+
 "@typescript-eslint/utils@npm:5.59.5":
   version: 5.59.5
   resolution: "@typescript-eslint/utils@npm:5.59.5"
@@ -2033,6 +2045,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript-eslint/visitor-keys@npm:8.4.0":
+  version: 8.4.0
+  resolution: "@typescript-eslint/visitor-keys@npm:8.4.0"
+  dependencies:
+    "@typescript-eslint/types": 8.4.0
+    eslint-visitor-keys: ^3.4.3
+  checksum: 000f375aaad20343d74cb71e3cf9295f60a0f9f5bc07bd15883bffcc3f7e25b69bb48b21f0cbb2805588a1bc309b9b9fd1162028872ee79c553c843bece6c9ac
+  languageName: node
+  linkType: hard
+
 "@vitest/expect@npm:0.31.0":
   version: 0.31.0
   resolution: "@vitest/expect@npm:0.31.0"
@@ -3883,6 +3905,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"eslint-visitor-keys@npm:^3.4.3":
+  version: 3.4.3
+  resolution: "eslint-visitor-keys@npm:3.4.3"
+  checksum: 36e9ef87fca698b6fd7ca5ca35d7b2b6eeaaf106572e2f7fd31c12d3bfdaccdb587bba6d3621067e5aece31c8c3a348b93922ab8f7b2cbc6aaab5e1d89040c60
+  languageName: node
+  linkType: hard
+
 "eslint@npm:^7.7.0":
   version: 7.18.0
   resolution: "eslint@npm:7.18.0"
@@ -4176,6 +4205,19 @@ __metadata:
   languageName: node
   linkType: hard
 
+"fast-glob@npm:^3.3.2":
+  version: 3.3.2
+  resolution: "fast-glob@npm:3.3.2"
+  dependencies:
+    "@nodelib/fs.stat": ^2.0.2
+    "@nodelib/fs.walk": ^1.2.3
+    glob-parent: ^5.1.2
+    merge2: ^1.3.0
+    micromatch: ^4.0.4
+  checksum: 900e4979f4dbc3313840078419245621259f349950411ca2fa445a2f9a1a6d98c3b5e7e0660c5ccd563aa61abe133a21765c6c0dec8e57da1ba71d8000b05ec1
+  languageName: node
+  linkType: hard
+
 "fast-json-stable-stringify@npm:^2.0.0":
   version: 2.1.0
   resolution: "fast-json-stable-stringify@npm:2.1.0"
@@ -4306,7 +4348,7 @@ __metadata:
   resolution: "froute@workspace:."
   dependencies:
     "@typescript-eslint/eslint-plugin": ^3.10.1
-    "@typescript-eslint/parser": ^3.10.1
+    "@typescript-eslint/parser": ^8.4.0
     cross-env: ^7.0.2
     eslint: ^7.7.0
     eslint-config-prettier: ^6.11.0
@@ -6119,6 +6161,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"minimatch@npm:^9.0.4":
+  version: 9.0.5
+  resolution: "minimatch@npm:9.0.5"
+  dependencies:
+    brace-expansion: ^2.0.1
+  checksum: 2c035575eda1e50623c731ec6c14f65a85296268f749b9337005210bb2b34e2705f8ef1a358b188f69892286ab99dc42c8fb98a57bde55c8d81b3023c19cea28
+  languageName: node
+  linkType: hard
+
 "minimist-options@npm:4.1.0":
   version: 4.1.0
   resolution: "minimist-options@npm:4.1.0"
@@ -7731,6 +7782,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"semver@npm:^7.6.0":
+  version: 7.6.3
+  resolution: "semver@npm:7.6.3"
+  bin:
+    semver: bin/semver.js
+  checksum: 4110ec5d015c9438f322257b1c51fe30276e5f766a3f64c09edd1d7ea7118ecbc3f379f3b69032bacf13116dc7abc4ad8ce0d7e2bd642e26b0d271b56b61a7d8
+  languageName: node
+  linkType: hard
+
 "set-blocking@npm:^2.0.0":
   version: 2.0.0
   resolution: "set-blocking@npm:2.0.0"
@@ -8407,6 +8467,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ts-api-utils@npm:^1.3.0":
+  version: 1.3.0
+  resolution: "ts-api-utils@npm:1.3.0"
+  peerDependencies:
+    typescript: ">=4.2.0"
+  checksum: c746ddabfdffbf16cb0b0db32bb287236a19e583057f8649ee7c49995bb776e1d3ef384685181c11a1a480369e022ca97512cb08c517b2d2bd82c83754c97012
+  languageName: node
+  linkType: hard
+
 "ts-morph@npm:18.0.0":
   version: 18.0.0
   resolution: "ts-morph@npm:18.0.0"