diff --git a/package-lock.json b/package-lock.json
index 3ff4560..4d0aa9b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,8 +9,8 @@
       "version": "2.1.1",
       "license": "Apache-2.0",
       "devDependencies": {
-        "@typescript-eslint/eslint-plugin": "^7.15.0",
-        "@typescript-eslint/parser": "^7.15.0",
+        "@typescript-eslint/eslint-plugin": "^8.22.0",
+        "@typescript-eslint/parser": "^8.22.0",
         "eslint": "^8.57.1",
         "eslint-config-prettier": "^9.1.0",
         "eslint-plugin-prettier": "^5.2.1",
@@ -200,77 +200,72 @@
       }
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
-      "version": "7.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-7.15.0.tgz",
-      "integrity": "sha512-uiNHpyjZtFrLwLDpHnzaDlP3Tt6sGMqTCiqmxaN4n4RP0EfYZDODJyddiFDF44Hjwxr5xAcaYxVKm9QKQFJFLA==",
+      "version": "8.22.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.22.0.tgz",
+      "integrity": "sha512-4Uta6REnz/xEJMvwf72wdUnC3rr4jAQf5jnTkeRQ9b6soxLxhDEbS/pfMPoJLDfFPNVRdryqWUIV/2GZzDJFZw==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "@eslint-community/regexpp": "^4.10.0",
-        "@typescript-eslint/scope-manager": "7.15.0",
-        "@typescript-eslint/type-utils": "7.15.0",
-        "@typescript-eslint/utils": "7.15.0",
-        "@typescript-eslint/visitor-keys": "7.15.0",
+        "@typescript-eslint/scope-manager": "8.22.0",
+        "@typescript-eslint/type-utils": "8.22.0",
+        "@typescript-eslint/utils": "8.22.0",
+        "@typescript-eslint/visitor-keys": "8.22.0",
         "graphemer": "^1.4.0",
         "ignore": "^5.3.1",
         "natural-compare": "^1.4.0",
-        "ts-api-utils": "^1.3.0"
+        "ts-api-utils": "^2.0.0"
       },
       "engines": {
-        "node": "^18.18.0 || >=20.0.0"
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       },
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/typescript-eslint"
       },
       "peerDependencies": {
-        "@typescript-eslint/parser": "^7.0.0",
-        "eslint": "^8.56.0"
-      },
-      "peerDependenciesMeta": {
-        "typescript": {
-          "optional": true
-        }
+        "@typescript-eslint/parser": "^8.0.0 || ^8.0.0-alpha.0",
+        "eslint": "^8.57.0 || ^9.0.0",
+        "typescript": ">=4.8.4 <5.8.0"
       }
     },
     "node_modules/@typescript-eslint/parser": {
-      "version": "7.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-7.15.0.tgz",
-      "integrity": "sha512-k9fYuQNnypLFcqORNClRykkGOMOj+pV6V91R4GO/l1FDGwpqmSwoOQrOHo3cGaH63e+D3ZiCAOsuS/D2c99j/A==",
+      "version": "8.22.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.22.0.tgz",
+      "integrity": "sha512-MqtmbdNEdoNxTPzpWiWnqNac54h8JDAmkWtJExBVVnSrSmi9z+sZUt0LfKqk9rjqmKOIeRhO4fHHJ1nQIjduIQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/scope-manager": "7.15.0",
-        "@typescript-eslint/types": "7.15.0",
-        "@typescript-eslint/typescript-estree": "7.15.0",
-        "@typescript-eslint/visitor-keys": "7.15.0",
+        "@typescript-eslint/scope-manager": "8.22.0",
+        "@typescript-eslint/types": "8.22.0",
+        "@typescript-eslint/typescript-estree": "8.22.0",
+        "@typescript-eslint/visitor-keys": "8.22.0",
         "debug": "^4.3.4"
       },
       "engines": {
-        "node": "^18.18.0 || >=20.0.0"
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       },
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/typescript-eslint"
       },
       "peerDependencies": {
-        "eslint": "^8.56.0"
-      },
-      "peerDependenciesMeta": {
-        "typescript": {
-          "optional": true
-        }
+        "eslint": "^8.57.0 || ^9.0.0",
+        "typescript": ">=4.8.4 <5.8.0"
       }
     },
     "node_modules/@typescript-eslint/scope-manager": {
-      "version": "7.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-7.15.0.tgz",
-      "integrity": "sha512-Q/1yrF/XbxOTvttNVPihxh1b9fxamjEoz2Os/Pe38OHwxC24CyCqXxGTOdpb4lt6HYtqw9HetA/Rf6gDGaMPlw==",
+      "version": "8.22.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.22.0.tgz",
+      "integrity": "sha512-/lwVV0UYgkj7wPSw0o8URy6YI64QmcOdwHuGuxWIYznO6d45ER0wXUbksr9pYdViAofpUCNJx/tAzNukgvaaiQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/types": "7.15.0",
-        "@typescript-eslint/visitor-keys": "7.15.0"
+        "@typescript-eslint/types": "8.22.0",
+        "@typescript-eslint/visitor-keys": "8.22.0"
       },
       "engines": {
-        "node": "^18.18.0 || >=20.0.0"
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       },
       "funding": {
         "type": "opencollective",
@@ -278,39 +273,37 @@
       }
     },
     "node_modules/@typescript-eslint/type-utils": {
-      "version": "7.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-7.15.0.tgz",
-      "integrity": "sha512-SkgriaeV6PDvpA6253PDVep0qCqgbO1IOBiycjnXsszNTVQe5flN5wR5jiczoEoDEnAqYFSFFc9al9BSGVltkg==",
+      "version": "8.22.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-8.22.0.tgz",
+      "integrity": "sha512-NzE3aB62fDEaGjaAYZE4LH7I1MUwHooQ98Byq0G0y3kkibPJQIXVUspzlFOmOfHhiDLwKzMlWxaNv+/qcZurJA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/typescript-estree": "7.15.0",
-        "@typescript-eslint/utils": "7.15.0",
+        "@typescript-eslint/typescript-estree": "8.22.0",
+        "@typescript-eslint/utils": "8.22.0",
         "debug": "^4.3.4",
-        "ts-api-utils": "^1.3.0"
+        "ts-api-utils": "^2.0.0"
       },
       "engines": {
-        "node": "^18.18.0 || >=20.0.0"
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       },
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/typescript-eslint"
       },
       "peerDependencies": {
-        "eslint": "^8.56.0"
-      },
-      "peerDependenciesMeta": {
-        "typescript": {
-          "optional": true
-        }
+        "eslint": "^8.57.0 || ^9.0.0",
+        "typescript": ">=4.8.4 <5.8.0"
       }
     },
     "node_modules/@typescript-eslint/types": {
-      "version": "7.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-7.15.0.tgz",
-      "integrity": "sha512-aV1+B1+ySXbQH0pLK0rx66I3IkiZNidYobyfn0WFsdGhSXw+P3YOqeTq5GED458SfB24tg+ux3S+9g118hjlTw==",
+      "version": "8.22.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.22.0.tgz",
+      "integrity": "sha512-0S4M4baNzp612zwpD4YOieP3VowOARgK2EkN/GBn95hpyF8E2fbMT55sRHWBq+Huaqk3b3XK+rxxlM8sPgGM6A==",
       "dev": true,
+      "license": "MIT",
       "engines": {
-        "node": "^18.18.0 || >=20.0.0"
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       },
       "funding": {
         "type": "opencollective",
@@ -318,72 +311,87 @@
       }
     },
     "node_modules/@typescript-eslint/typescript-estree": {
-      "version": "7.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-7.15.0.tgz",
-      "integrity": "sha512-gjyB/rHAopL/XxfmYThQbXbzRMGhZzGw6KpcMbfe8Q3nNQKStpxnUKeXb0KiN/fFDR42Z43szs6rY7eHk0zdGQ==",
+      "version": "8.22.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.22.0.tgz",
+      "integrity": "sha512-SJX99NAS2ugGOzpyhMza/tX+zDwjvwAtQFLsBo3GQxiGcvaKlqGBkmZ+Y1IdiSi9h4Q0Lr5ey+Cp9CGWNY/F/w==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/types": "7.15.0",
-        "@typescript-eslint/visitor-keys": "7.15.0",
+        "@typescript-eslint/types": "8.22.0",
+        "@typescript-eslint/visitor-keys": "8.22.0",
         "debug": "^4.3.4",
-        "globby": "^11.1.0",
+        "fast-glob": "^3.3.2",
         "is-glob": "^4.0.3",
         "minimatch": "^9.0.4",
         "semver": "^7.6.0",
-        "ts-api-utils": "^1.3.0"
+        "ts-api-utils": "^2.0.0"
       },
       "engines": {
-        "node": "^18.18.0 || >=20.0.0"
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       },
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/typescript-eslint"
       },
-      "peerDependenciesMeta": {
-        "typescript": {
-          "optional": true
-        }
+      "peerDependencies": {
+        "typescript": ">=4.8.4 <5.8.0"
       }
     },
     "node_modules/@typescript-eslint/utils": {
-      "version": "7.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-7.15.0.tgz",
-      "integrity": "sha512-hfDMDqaqOqsUVGiEPSMLR/AjTSCsmJwjpKkYQRo1FNbmW4tBwBspYDwO9eh7sKSTwMQgBw9/T4DHudPaqshRWA==",
+      "version": "8.22.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-8.22.0.tgz",
+      "integrity": "sha512-T8oc1MbF8L+Bk2msAvCUzjxVB2Z2f+vXYfcucE2wOmYs7ZUwco5Ep0fYZw8quNwOiw9K8GYVL+Kgc2pETNTLOg==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.4.0",
-        "@typescript-eslint/scope-manager": "7.15.0",
-        "@typescript-eslint/types": "7.15.0",
-        "@typescript-eslint/typescript-estree": "7.15.0"
+        "@typescript-eslint/scope-manager": "8.22.0",
+        "@typescript-eslint/types": "8.22.0",
+        "@typescript-eslint/typescript-estree": "8.22.0"
       },
       "engines": {
-        "node": "^18.18.0 || >=20.0.0"
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       },
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/typescript-eslint"
       },
       "peerDependencies": {
-        "eslint": "^8.56.0"
+        "eslint": "^8.57.0 || ^9.0.0",
+        "typescript": ">=4.8.4 <5.8.0"
       }
     },
     "node_modules/@typescript-eslint/visitor-keys": {
-      "version": "7.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-7.15.0.tgz",
-      "integrity": "sha512-Hqgy/ETgpt2L5xueA/zHHIl4fJI2O4XUE9l4+OIfbJIRSnTJb/QscncdqqZzofQegIJugRIF57OJea1khw2SDw==",
+      "version": "8.22.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.22.0.tgz",
+      "integrity": "sha512-AWpYAXnUgvLNabGTy3uBylkgZoosva/miNd1I8Bz3SjotmQPbVqhO4Cczo8AsZ44XVErEBPr/CRSgaj8sG7g0w==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/types": "7.15.0",
-        "eslint-visitor-keys": "^3.4.3"
+        "@typescript-eslint/types": "8.22.0",
+        "eslint-visitor-keys": "^4.2.0"
       },
       "engines": {
-        "node": "^18.18.0 || >=20.0.0"
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       },
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/typescript-eslint"
       }
     },
+    "node_modules/@typescript-eslint/visitor-keys/node_modules/eslint-visitor-keys": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-4.2.0.tgz",
+      "integrity": "sha512-UyLnSehNt62FFhSwjZlHmeokpRK59rcz29j+F1/aDgbkbRTk7wIc9XzdoasMUbRNKDM0qQt/+BJ4BrpFeABemw==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/eslint"
+      }
+    },
     "node_modules/@ungap/structured-clone": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/@ungap/structured-clone/-/structured-clone-1.2.0.tgz",
@@ -457,15 +465,6 @@
       "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
       "dev": true
     },
-    "node_modules/array-union": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/array-union/-/array-union-2.1.0.tgz",
-      "integrity": "sha512-HGyxoOTYUyCM6stUe6EJgnd4EoewAI7zMdfqO+kGjnlZmBDz/cR5pf8r/cR4Wq60sL/p0IkcjUEEPwS3GFrIyw==",
-      "dev": true,
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
@@ -579,18 +578,6 @@
       "integrity": "sha512-oIPzksmTg4/MriiaYGO+okXDT7ztn/w3Eptv/+gSIdMdKsJo0u4CfYNFJPy+4SKMuCqGw2wxnA+URMg3t8a/bQ==",
       "dev": true
     },
-    "node_modules/dir-glob": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/dir-glob/-/dir-glob-3.0.1.tgz",
-      "integrity": "sha512-WkrWp9GR4KXfKGYzOLmTuGVi1UWFfws377n9cc55/tb6DuqyF6pcQ5AbiHEshaDpY9v6oaSr2XCDidGmMwdzIA==",
-      "dev": true,
-      "dependencies": {
-        "path-type": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/doctrine": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-3.0.0.tgz",
@@ -1018,26 +1005,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/globby": {
-      "version": "11.1.0",
-      "resolved": "https://registry.npmjs.org/globby/-/globby-11.1.0.tgz",
-      "integrity": "sha512-jhIXaOzy1sb8IyocaruWSn1TjmnBVs8Ayhcy83rmxNJ8q2uWKCAj3CnJY+KpGSXCueAPc0i05kVvVKtP1t9S3g==",
-      "dev": true,
-      "dependencies": {
-        "array-union": "^2.1.0",
-        "dir-glob": "^3.0.1",
-        "fast-glob": "^3.2.9",
-        "ignore": "^5.2.0",
-        "merge2": "^1.4.1",
-        "slash": "^3.0.0"
-      },
-      "engines": {
-        "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/graphemer": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/graphemer/-/graphemer-1.4.0.tgz",
@@ -1366,15 +1333,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/path-type": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/path-type/-/path-type-4.0.0.tgz",
-      "integrity": "sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==",
-      "dev": true,
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/picomatch": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
@@ -1543,15 +1501,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/slash": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/slash/-/slash-3.0.0.tgz",
-      "integrity": "sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==",
-      "dev": true,
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/strip-ansi": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
@@ -1623,15 +1572,16 @@
       }
     },
     "node_modules/ts-api-utils": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/ts-api-utils/-/ts-api-utils-1.3.0.tgz",
-      "integrity": "sha512-UQMIo7pb8WRomKR1/+MFVLTroIvDVtMX3K6OUir8ynLyzB8Jeriont2bTAtmNPa1ekAgN7YPDyf6V+ygrdU+eQ==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ts-api-utils/-/ts-api-utils-2.0.0.tgz",
+      "integrity": "sha512-xCt/TOAc+EOHS1XPnijD3/yzpH6qg2xppZO1YDqGoVsNXfQfzHpOdNuXwrwOU8u4ITXJyDCTyt8w5g1sZv9ynQ==",
       "dev": true,
+      "license": "MIT",
       "engines": {
-        "node": ">=16"
+        "node": ">=18.12"
       },
       "peerDependencies": {
-        "typescript": ">=4.2.0"
+        "typescript": ">=4.8.4"
       }
     },
     "node_modules/tslib": {
diff --git a/package.json b/package.json
index af4642d..9c7e420 100644
--- a/package.json
+++ b/package.json
@@ -22,8 +22,8 @@
   },
   "homepage": "https://github.com/ttsukagoshi/imgsrc-er#readme",
   "devDependencies": {
-    "@typescript-eslint/eslint-plugin": "^7.15.0",
-    "@typescript-eslint/parser": "^7.15.0",
+    "@typescript-eslint/eslint-plugin": "^8.22.0",
+    "@typescript-eslint/parser": "^8.22.0",
     "eslint": "^8.57.1",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-prettier": "^5.2.1",