diff --git a/metalog.js b/metalog.js
index 5a77e45..dee7799 100644
--- a/metalog.js
+++ b/metalog.js
@@ -77,9 +77,6 @@ const getNextReopen = () => {
   return nextDate - curTime + DAY_MILLISECONDS;
 };
 
-const isError = (val) =>
-  Object.prototype.toString.call(val) === '[object Error]';
-
 class Console {
   constructor(write) {
     this._write = write;
@@ -345,13 +342,13 @@ class Logger extends events.EventEmitter {
       level: type,
       message: null,
     };
-    if (isError(args[0])) {
+    if (metautil.isError(args[0])) {
       log.err = this.expandError(args[0]);
       args = args.slice(1);
     } else if (typeof args[0] === 'object') {
       Object.assign(log, args[0]);
-      if (isError(log.err)) log.err = this.expandError(log.err);
-      if (isError(log.error)) log.error = this.expandError(log.error);
+      if (metautil.isError(log.err)) log.err = this.expandError(log.err);
+      if (metautil.isError(log.error)) log.error = this.expandError(log.error);
       args = args.slice(1);
     }
     log.message = util.format(...args);
diff --git a/package-lock.json b/package-lock.json
index 1c1aa15..0907254 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,10 +10,10 @@
       "license": "MIT",
       "dependencies": {
         "concolor": "^1.0.6",
-        "metautil": "^3.7.2"
+        "metautil": "^3.10.0"
       },
       "devDependencies": {
-        "@types/node": "^18.16.1",
+        "@types/node": "^20.4.1",
         "eslint": "^8.44.0",
         "eslint-config-metarhia": "^8.2.0",
         "eslint-config-prettier": "^8.7.0",
@@ -21,7 +21,7 @@
         "eslint-plugin-prettier": "^5.0.0-alpha.2",
         "metatests": "^0.8.2",
         "prettier": "^3.0.0",
-        "typescript": "^5.0.4"
+        "typescript": "^5.1.6"
       },
       "engines": {
         "node": "16 || 18 || 19 || 20"
@@ -200,9 +200,9 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "18.16.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.16.3.tgz",
-      "integrity": "sha512-OPs5WnnT1xkCBiuQrZA4+YAV4HEJejmHneyraIaxsbev5yCEr6KMwINNFP9wQeFIw8FWcoTqF3vQsa5CDaI+8Q==",
+      "version": "20.4.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.4.1.tgz",
+      "integrity": "sha512-JIzsAvJeA/5iY6Y/OxZbv1lUcc8dNSE77lb2gnBH+/PJ3lFR1Ccvgwl5JWnHAkNHcRsT0TbpVOsiMKZ1F/yyJg==",
       "dev": true
     },
     "node_modules/acorn": {
@@ -1957,9 +1957,9 @@
       }
     },
     "node_modules/metautil": {
-      "version": "3.7.2",
-      "resolved": "https://registry.npmjs.org/metautil/-/metautil-3.7.2.tgz",
-      "integrity": "sha512-s9ZjFwGT7hyaGIifnDYUr7HrrjqjpgjEqUnglAJ+qt3f1ZgnVo2/9yYvzlWQo5pPz8UDYqyoEVkc8hhS9VIVnw==",
+      "version": "3.10.0",
+      "resolved": "https://registry.npmjs.org/metautil/-/metautil-3.10.0.tgz",
+      "integrity": "sha512-9V9VbZjpc9IXQpVuCLTNQzMXrD7g2JWfG0ZEpXeExIxSgLRsSifMKrw2lU8DvAsm52brVYBhO5ELOhx6kq0GYg==",
       "engines": {
         "node": "16 || 18 || 19 || 20"
       },
@@ -2569,9 +2569,9 @@
       }
     },
     "node_modules/semver": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
-      "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+      "version": "6.3.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
+      "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
       "dev": true,
       "bin": {
         "semver": "bin/semver.js"
@@ -2912,16 +2912,16 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.0.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.0.4.tgz",
-      "integrity": "sha512-cW9T5W9xY37cc+jfEnaUvX91foxtHkza3Nw3wkoF4sSlKn0MONdkdEndig/qPBWXNkmplh3NzayQzCiHM4/hqw==",
+      "version": "5.1.6",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.1.6.tgz",
+      "integrity": "sha512-zaWCozRZ6DLEWAWFrVDz1H6FVXzUSfTy5FUMWsQlU8Ym5JP9eO4xkTIROFCQvhQf61z6O/G6ugw3SgAnvvm+HA==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
       },
       "engines": {
-        "node": ">=12.20"
+        "node": ">=14.17"
       }
     },
     "node_modules/unbox-primitive": {
@@ -3285,9 +3285,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "18.16.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.16.3.tgz",
-      "integrity": "sha512-OPs5WnnT1xkCBiuQrZA4+YAV4HEJejmHneyraIaxsbev5yCEr6KMwINNFP9wQeFIw8FWcoTqF3vQsa5CDaI+8Q==",
+      "version": "20.4.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.4.1.tgz",
+      "integrity": "sha512-JIzsAvJeA/5iY6Y/OxZbv1lUcc8dNSE77lb2gnBH+/PJ3lFR1Ccvgwl5JWnHAkNHcRsT0TbpVOsiMKZ1F/yyJg==",
       "dev": true
     },
     "acorn": {
@@ -4540,9 +4540,9 @@
       }
     },
     "metautil": {
-      "version": "3.7.2",
-      "resolved": "https://registry.npmjs.org/metautil/-/metautil-3.7.2.tgz",
-      "integrity": "sha512-s9ZjFwGT7hyaGIifnDYUr7HrrjqjpgjEqUnglAJ+qt3f1ZgnVo2/9yYvzlWQo5pPz8UDYqyoEVkc8hhS9VIVnw=="
+      "version": "3.10.0",
+      "resolved": "https://registry.npmjs.org/metautil/-/metautil-3.10.0.tgz",
+      "integrity": "sha512-9V9VbZjpc9IXQpVuCLTNQzMXrD7g2JWfG0ZEpXeExIxSgLRsSifMKrw2lU8DvAsm52brVYBhO5ELOhx6kq0GYg=="
     },
     "micromatch": {
       "version": "4.0.5",
@@ -4940,9 +4940,9 @@
       }
     },
     "semver": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
-      "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+      "version": "6.3.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
+      "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
       "dev": true
     },
     "set-blocking": {
@@ -5189,9 +5189,9 @@
       }
     },
     "typescript": {
-      "version": "5.0.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.0.4.tgz",
-      "integrity": "sha512-cW9T5W9xY37cc+jfEnaUvX91foxtHkza3Nw3wkoF4sSlKn0MONdkdEndig/qPBWXNkmplh3NzayQzCiHM4/hqw==",
+      "version": "5.1.6",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.1.6.tgz",
+      "integrity": "sha512-zaWCozRZ6DLEWAWFrVDz1H6FVXzUSfTy5FUMWsQlU8Ym5JP9eO4xkTIROFCQvhQf61z6O/G6ugw3SgAnvvm+HA==",
       "dev": true
     },
     "unbox-primitive": {
diff --git a/package.json b/package.json
index e938c7c..a924fb3 100644
--- a/package.json
+++ b/package.json
@@ -50,10 +50,10 @@
   },
   "dependencies": {
     "concolor": "^1.0.6",
-    "metautil": "^3.7.2"
+    "metautil": "^3.10.0"
   },
   "devDependencies": {
-    "@types/node": "^18.16.1",
+    "@types/node": "^20.4.1",
     "eslint": "^8.44.0",
     "eslint-config-metarhia": "^8.2.0",
     "eslint-config-prettier": "^8.7.0",
@@ -61,6 +61,6 @@
     "eslint-plugin-prettier": "^5.0.0-alpha.2",
     "metatests": "^0.8.2",
     "prettier": "^3.0.0",
-    "typescript": "^5.0.4"
+    "typescript": "^5.1.6"
   }
 }