diff --git a/.npmrc b/.npmrc
index 1b54673..9a38b2b 100644
--- a/.npmrc
+++ b/.npmrc
@@ -1,3 +1,3 @@
 registry=https://registry.npmjs.org/
-@nsnanocat:registry=https://npm.pkg.github.com/
+//@nsnanocat:registry=https://npm.pkg.github.com/
 //npm.pkg.github.com/:_authToken=${NODE_AUTH_TOKEN}
diff --git a/package-lock.json b/package-lock.json
index 017f07b..73eb7b3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,7 +7,7 @@
 			"name": "@iringo/siri",
 			"license": "Apache-2.0",
 			"dependencies": {
-				"@nsnanocat/util": "^1.7.6",
+				"@nsnanocat/util": "^0.0.0-preview-2c5e49e",
 				"@protobuf-ts/runtime": "^2.9.3",
 				"pako": "^2.1.0"
 			},
@@ -356,12 +356,16 @@
 			}
 		},
 		"node_modules/@nsnanocat/util": {
-			"version": "1.7.6",
-			"resolved": "https://npm.pkg.github.com/download/@nsnanocat/util/1.7.6/4c7a65d6e991a2bfe1dd19651874bd3b3779d740",
-			"integrity": "sha512-vttYKFHhpl1O5r6jCXwyQ1n8i6RJ0oMUhTjXV2B6HZI2yucPnxK4ZVlAcM1zxee5+Wm7acGxRZXLGVXg7HV9hA==",
+			"version": "0.0.0-preview-2c5e49e",
+			"resolved": "https://registry.npmjs.org/@nsnanocat/util/-/util-0.0.0-preview-2c5e49e.tgz",
+			"integrity": "sha512-WROYIvB0NFQoCFkZLfVNU+S245C20JzrUVMiJePoUvw8GFLerqbsoJYgw2bz4a08A1NgC6RZeatHEyW/A7Uhaw==",
 			"license": "Apache-2.0",
 			"dependencies": {
-				"pako": "^2.1.0"
+				"lodash": "^4.17.21"
+			},
+			"optionalDependencies": {
+				"fetch-cookie": "^3.1.0",
+				"node-fetch": "^3.3.2"
 			}
 		},
 		"node_modules/@pkgjs/parseargs": {
@@ -3193,6 +3197,41 @@
 				"pend": "~1.2.0"
 			}
 		},
+		"node_modules/fetch-blob": {
+			"version": "3.2.0",
+			"resolved": "https://registry.npmjs.org/fetch-blob/-/fetch-blob-3.2.0.tgz",
+			"integrity": "sha512-7yAQpD2UMJzLi1Dqv7qFYnPbaPx7ZfFK6PiIxQ4PfkGPyNyl2Ugx+a/umUonmKqjhM4DnfbMvdX6otXq83soQQ==",
+			"funding": [
+				{
+					"type": "github",
+					"url": "https://github.com/sponsors/jimmywarting"
+				},
+				{
+					"type": "paypal",
+					"url": "https://paypal.me/jimmywarting"
+				}
+			],
+			"license": "MIT",
+			"optional": true,
+			"dependencies": {
+				"node-domexception": "^1.0.0",
+				"web-streams-polyfill": "^3.0.3"
+			},
+			"engines": {
+				"node": "^12.20 || >= 14.13"
+			}
+		},
+		"node_modules/fetch-cookie": {
+			"version": "3.1.0",
+			"resolved": "https://registry.npmjs.org/fetch-cookie/-/fetch-cookie-3.1.0.tgz",
+			"integrity": "sha512-s/XhhreJpqH0ftkGVcQt8JE9bqk+zRn4jF5mPJXWZeQMCI5odV9K+wEWYbnzFPHgQZlvPSMjS4n4yawWE8RINw==",
+			"license": "Unlicense",
+			"optional": true,
+			"dependencies": {
+				"set-cookie-parser": "^2.4.8",
+				"tough-cookie": "^5.0.0"
+			}
+		},
 		"node_modules/fill-range": {
 			"version": "7.1.1",
 			"resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
@@ -3303,6 +3342,19 @@
 				"url": "https://github.com/sponsors/isaacs"
 			}
 		},
+		"node_modules/formdata-polyfill": {
+			"version": "4.0.10",
+			"resolved": "https://registry.npmjs.org/formdata-polyfill/-/formdata-polyfill-4.0.10.tgz",
+			"integrity": "sha512-buewHzMvYL29jdeQTVILecSaZKnt/RJWjoZCF5OW60Z67/GmSLBkOFM7qh1PI3zFNtJbaZL5eQu1vLfazOwj4g==",
+			"license": "MIT",
+			"optional": true,
+			"dependencies": {
+				"fetch-blob": "^3.1.2"
+			},
+			"engines": {
+				"node": ">=12.20.0"
+			}
+		},
 		"node_modules/forwarded": {
 			"version": "0.2.0",
 			"resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
@@ -4422,7 +4474,6 @@
 			"version": "4.17.21",
 			"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
 			"integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
-			"dev": true,
 			"license": "MIT"
 		},
 		"node_modules/log-symbols": {
@@ -4743,6 +4794,55 @@
 				"node": ">= 0.4.0"
 			}
 		},
+		"node_modules/node-domexception": {
+			"version": "1.0.0",
+			"resolved": "https://registry.npmjs.org/node-domexception/-/node-domexception-1.0.0.tgz",
+			"integrity": "sha512-/jKZoMpw0F8GRwl4/eLROPA3cfcXtLApP0QzLmUT/HuPCZWyB7IY9ZrMeKw2O/nFIqPQB3PVM9aYm0F312AXDQ==",
+			"funding": [
+				{
+					"type": "github",
+					"url": "https://github.com/sponsors/jimmywarting"
+				},
+				{
+					"type": "github",
+					"url": "https://paypal.me/jimmywarting"
+				}
+			],
+			"license": "MIT",
+			"optional": true,
+			"engines": {
+				"node": ">=10.5.0"
+			}
+		},
+		"node_modules/node-fetch": {
+			"version": "3.3.2",
+			"resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-3.3.2.tgz",
+			"integrity": "sha512-dRB78srN/l6gqWulah9SrxeYnxeddIG30+GOqK/9OlLVyLg3HPnr6SqOWTWOXKRwC2eGYCkZ59NNuSgvSrpgOA==",
+			"license": "MIT",
+			"optional": true,
+			"dependencies": {
+				"data-uri-to-buffer": "^4.0.0",
+				"fetch-blob": "^3.1.4",
+				"formdata-polyfill": "^4.0.10"
+			},
+			"engines": {
+				"node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+			},
+			"funding": {
+				"type": "opencollective",
+				"url": "https://opencollective.com/node-fetch"
+			}
+		},
+		"node_modules/node-fetch/node_modules/data-uri-to-buffer": {
+			"version": "4.0.1",
+			"resolved": "https://registry.npmjs.org/data-uri-to-buffer/-/data-uri-to-buffer-4.0.1.tgz",
+			"integrity": "sha512-0R9ikRb668HB7QDxT1vkpuUBtqc53YyAwMwGeUFKRojY/NWKvdZ+9UYtRfGmhqNbRkTSVpMbmyhXipFFv2cb/A==",
+			"license": "MIT",
+			"optional": true,
+			"engines": {
+				"node": ">= 12"
+			}
+		},
 		"node_modules/node-forge": {
 			"version": "1.3.1",
 			"resolved": "https://registry.npmjs.org/node-forge/-/node-forge-1.3.1.tgz",
@@ -6090,6 +6190,13 @@
 				"node": ">= 0.8.0"
 			}
 		},
+		"node_modules/set-cookie-parser": {
+			"version": "2.7.1",
+			"resolved": "https://registry.npmjs.org/set-cookie-parser/-/set-cookie-parser-2.7.1.tgz",
+			"integrity": "sha512-IOc8uWeOZgnb3ptbCURJWNjWUPcO3ZnTTdzsurqERrP6nPyv+paC55vJM0LpOlT2ne+Ix+9+CRG1MNLlyZ4GjQ==",
+			"license": "MIT",
+			"optional": true
+		},
 		"node_modules/set-function-length": {
 			"version": "1.2.2",
 			"resolved": "https://registry.npmjs.org/set-function-length/-/set-function-length-1.2.2.tgz",
@@ -6746,6 +6853,26 @@
 				"node": ">=0.6.0"
 			}
 		},
+		"node_modules/tldts": {
+			"version": "6.1.70",
+			"resolved": "https://registry.npmjs.org/tldts/-/tldts-6.1.70.tgz",
+			"integrity": "sha512-/W1YVgYVJd9ZDjey5NXadNh0mJXkiUMUue9Zebd0vpdo1sU+H4zFFTaJ1RKD4N6KFoHfcXy6l+Vu7bh+bdWCzA==",
+			"license": "MIT",
+			"optional": true,
+			"dependencies": {
+				"tldts-core": "^6.1.70"
+			},
+			"bin": {
+				"tldts": "bin/cli.js"
+			}
+		},
+		"node_modules/tldts-core": {
+			"version": "6.1.70",
+			"resolved": "https://registry.npmjs.org/tldts-core/-/tldts-core-6.1.70.tgz",
+			"integrity": "sha512-RNnIXDB1FD4T9cpQRErEqw6ZpjLlGdMOitdV+0xtbsnwr4YFka1zpc7D4KD+aAn8oSG5JyFrdasZTE04qDE9Yg==",
+			"license": "MIT",
+			"optional": true
+		},
 		"node_modules/to-regex-range": {
 			"version": "5.0.1",
 			"resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
@@ -6779,6 +6906,19 @@
 				"node": ">=6"
 			}
 		},
+		"node_modules/tough-cookie": {
+			"version": "5.0.0",
+			"resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-5.0.0.tgz",
+			"integrity": "sha512-FRKsF7cz96xIIeMZ82ehjC3xW2E+O2+v11udrDYewUbszngYhsGa8z6YUMMzO9QJZzzyd0nGGXnML/TReX6W8Q==",
+			"license": "BSD-3-Clause",
+			"optional": true,
+			"dependencies": {
+				"tldts": "^6.1.32"
+			},
+			"engines": {
+				"node": ">=16"
+			}
+		},
 		"node_modules/tree-dump": {
 			"version": "1.0.2",
 			"resolved": "https://registry.npmjs.org/tree-dump/-/tree-dump-1.0.2.tgz",
@@ -7079,6 +7219,16 @@
 				"defaults": "^1.0.3"
 			}
 		},
+		"node_modules/web-streams-polyfill": {
+			"version": "3.3.3",
+			"resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.3.3.tgz",
+			"integrity": "sha512-d2JWLCivmZYTSIoge9MsgFCZrt571BikcWGYkjC1khllbTeDlGqZ2D8vD8E/lJa8WGWbb7Plm8/XJYV7IJHZZw==",
+			"license": "MIT",
+			"optional": true,
+			"engines": {
+				"node": ">= 8"
+			}
+		},
 		"node_modules/webpack": {
 			"version": "5.97.1",
 			"resolved": "https://registry.npmjs.org/webpack/-/webpack-5.97.1.tgz",
diff --git a/package.json b/package.json
index 458c8bc..c3bd800 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
 		"node-polyfill-webpack-plugin": "^4.1.0"
 	},
 	"dependencies": {
-		"@nsnanocat/util": "^1.7.6",
+		"@nsnanocat/util": "^0.0.0-preview-2c5e49e",
 		"@protobuf-ts/runtime": "^2.9.3",
 		"pako": "^2.1.0"
 	}