diff --git a/eslint.config.mjs b/eslint.config.mjs
index 9319dc1a..34403dd7 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -36,6 +36,7 @@ export default tseslint.config(
       '@typescript-eslint/explicit-function-return-type': 'off',
       '@typescript-eslint/no-var-requires': 'off',
       '@typescript-eslint/no-unused-vars': 'off',
+      '@typescript-eslint/no-require-imports': 'off',
     },
   },
 )
diff --git a/lib/cookie/cookie.ts b/lib/cookie/cookie.ts
index 5c33ea6c..24c85601 100644
--- a/lib/cookie/cookie.ts
+++ b/lib/cookie/cookie.ts
@@ -284,6 +284,7 @@ function fromJSON(str: unknown): Cookie | undefined {
   if (typeof str === 'string') {
     try {
       obj = JSON.parse(str)
+      // eslint-disable-next-line @typescript-eslint/no-unused-vars
     } catch (e) {
       return undefined
     }
diff --git a/lib/utils.ts b/lib/utils.ts
index ed64abbd..527c3d80 100644
--- a/lib/utils.ts
+++ b/lib/utils.ts
@@ -98,8 +98,9 @@ export function createPromiseCallback<T>(cb?: Callback<T>): PromiseCallback<T> {
       try {
         // If `err` is null, we know `result` must be `T`
         // The assertion isn't *strictly* correct, as `T` could be nullish, but, ehh, good enough...
+        if (err) reject(err)
         // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-        err ? reject(err) : resolve(result!)
+        else resolve(result!)
       } catch (e) {
         reject(e instanceof Error ? e : new Error())
       }
diff --git a/package-lock.json b/package-lock.json
index e930d841..45b03656 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,7 +28,7 @@
         "ts-jest": "^29.2.2",
         "ts-node": "^10.9.2",
         "typescript": "5.5.3",
-        "typescript-eslint": "^7.16.1",
+        "typescript-eslint": "^8.0.1",
         "vows": "^0.8.3"
       },
       "engines": {
@@ -1611,30 +1611,115 @@
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       "dev": true
     },
+    "node_modules/@typescript-eslint/eslint-plugin": {
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.0.1.tgz",
+      "integrity": "sha512-5g3Y7GDFsJAnY4Yhvk8sZtFfV6YNF2caLzjrRPUBzewjPCaj0yokePB4LJSobyCzGMzjZZYFbwuzbfDHlimXbQ==",
+      "dev": true,
+      "dependencies": {
+        "@eslint-community/regexpp": "^4.10.0",
+        "@typescript-eslint/scope-manager": "8.0.1",
+        "@typescript-eslint/type-utils": "8.0.1",
+        "@typescript-eslint/utils": "8.0.1",
+        "@typescript-eslint/visitor-keys": "8.0.1",
+        "graphemer": "^1.4.0",
+        "ignore": "^5.3.1",
+        "natural-compare": "^1.4.0",
+        "ts-api-utils": "^1.3.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "@typescript-eslint/parser": "^8.0.0 || ^8.0.0-alpha.0",
+        "eslint": "^8.57.0 || ^9.0.0"
+      },
+      "peerDependenciesMeta": {
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@typescript-eslint/parser": {
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.0.1.tgz",
+      "integrity": "sha512-5IgYJ9EO/12pOUwiBKFkpU7rS3IU21mtXzB81TNwq2xEybcmAZrE9qwDtsb5uQd9aVO9o0fdabFyAmKveXyujg==",
+      "dev": true,
+      "dependencies": {
+        "@typescript-eslint/scope-manager": "8.0.1",
+        "@typescript-eslint/types": "8.0.1",
+        "@typescript-eslint/typescript-estree": "8.0.1",
+        "@typescript-eslint/visitor-keys": "8.0.1",
+        "debug": "^4.3.4"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "eslint": "^8.57.0 || ^9.0.0"
+      },
+      "peerDependenciesMeta": {
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@typescript-eslint/scope-manager": {
-      "version": "7.16.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-7.16.1.tgz",
-      "integrity": "sha512-nYpyv6ALte18gbMz323RM+vpFpTjfNdyakbf3nsLvF43uF9KeNC289SUEW3QLZ1xPtyINJ1dIsZOuWuSRIWygw==",
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.0.1.tgz",
+      "integrity": "sha512-NpixInP5dm7uukMiRyiHjRKkom5RIFA4dfiHvalanD2cF0CLUuQqxfg8PtEUo9yqJI2bBhF+pcSafqnG3UBnRQ==",
+      "dev": true,
+      "dependencies": {
+        "@typescript-eslint/types": "8.0.1",
+        "@typescript-eslint/visitor-keys": "8.0.1"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/type-utils": {
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-8.0.1.tgz",
+      "integrity": "sha512-+/UT25MWvXeDX9YaHv1IS6KI1fiuTto43WprE7pgSMswHbn1Jm9GEM4Txp+X74ifOWV8emu2AWcbLhpJAvD5Ng==",
       "dev": true,
       "dependencies": {
-        "@typescript-eslint/types": "7.16.1",
-        "@typescript-eslint/visitor-keys": "7.16.1"
+        "@typescript-eslint/typescript-estree": "8.0.1",
+        "@typescript-eslint/utils": "8.0.1",
+        "debug": "^4.3.4",
+        "ts-api-utils": "^1.3.0"
       },
       "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
+        }
       }
     },
     "node_modules/@typescript-eslint/types": {
-      "version": "7.16.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-7.16.1.tgz",
-      "integrity": "sha512-AQn9XqCzUXd4bAVEsAXM/Izk11Wx2u4H3BAfQVhSfzfDOm/wAON9nP7J5rpkCxts7E5TELmN845xTUCQrD1xIQ==",
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.0.1.tgz",
+      "integrity": "sha512-PpqTVT3yCA/bIgJ12czBuE3iBlM3g4inRSC5J0QOdQFAn07TYrYEQBBKgXH1lQpglup+Zy6c1fxuwTk4MTNKIw==",
       "dev": true,
       "engines": {
-        "node": "^18.18.0 || >=20.0.0"
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       },
       "funding": {
         "type": "opencollective",
@@ -1642,13 +1727,13 @@
       }
     },
     "node_modules/@typescript-eslint/typescript-estree": {
-      "version": "7.16.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-7.16.1.tgz",
-      "integrity": "sha512-0vFPk8tMjj6apaAZ1HlwM8w7jbghC8jc1aRNJG5vN8Ym5miyhTQGMqU++kuBFDNKe9NcPeZ6x0zfSzV8xC1UlQ==",
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.0.1.tgz",
+      "integrity": "sha512-8V9hriRvZQXPWU3bbiUV4Epo7EvgM6RTs+sUmxp5G//dBGy402S7Fx0W0QkB2fb4obCF8SInoUzvTYtc3bkb5w==",
       "dev": true,
       "dependencies": {
-        "@typescript-eslint/types": "7.16.1",
-        "@typescript-eslint/visitor-keys": "7.16.1",
+        "@typescript-eslint/types": "8.0.1",
+        "@typescript-eslint/visitor-keys": "8.0.1",
         "debug": "^4.3.4",
         "globby": "^11.1.0",
         "is-glob": "^4.0.3",
@@ -1657,7 +1742,7 @@
         "ts-api-utils": "^1.3.0"
       },
       "engines": {
-        "node": "^18.18.0 || >=20.0.0"
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       },
       "funding": {
         "type": "opencollective",
@@ -1705,17 +1790,39 @@
         "node": ">=10"
       }
     },
+    "node_modules/@typescript-eslint/utils": {
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-8.0.1.tgz",
+      "integrity": "sha512-CBFR0G0sCt0+fzfnKaciu9IBsKvEKYwN9UZ+eeogK1fYHg4Qxk1yf/wLQkLXlq8wbU2dFlgAesxt8Gi76E8RTA==",
+      "dev": true,
+      "dependencies": {
+        "@eslint-community/eslint-utils": "^4.4.0",
+        "@typescript-eslint/scope-manager": "8.0.1",
+        "@typescript-eslint/types": "8.0.1",
+        "@typescript-eslint/typescript-estree": "8.0.1"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "eslint": "^8.57.0 || ^9.0.0"
+      }
+    },
     "node_modules/@typescript-eslint/visitor-keys": {
-      "version": "7.16.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-7.16.1.tgz",
-      "integrity": "sha512-Qlzzx4sE4u3FsHTPQAAQFJFNOuqtuY0LFrZHwQ8IHK705XxBiWOFkfKRWu6niB7hwfgnwIpO4jTC75ozW1PHWg==",
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.0.1.tgz",
+      "integrity": "sha512-W5E+o0UfUcK5EgchLZsyVWqARmsM7v54/qEq6PY3YI5arkgmCzHiuk0zKSJJbm71V0xdRna4BGomkCTXz2/LkQ==",
       "dev": true,
       "dependencies": {
-        "@typescript-eslint/types": "7.16.1",
+        "@typescript-eslint/types": "8.0.1",
         "eslint-visitor-keys": "^3.4.3"
       },
       "engines": {
-        "node": "^18.18.0 || >=20.0.0"
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       },
       "funding": {
         "type": "opencollective",
@@ -5300,141 +5407,28 @@
       }
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     "node_modules/typescript-eslint": {
-      "version": "7.16.1",
-      "resolved": "https://registry.npmjs.org/typescript-eslint/-/typescript-eslint-7.16.1.tgz",
-      "integrity": "sha512-889oE5qELj65q/tGeOSvlreNKhimitFwZqQ0o7PcWC7/lgRkAMknznsCsV8J8mZGTP/Z+cIbX8accf2DE33hrA==",
-      "dev": true,
-      "dependencies": {
-        "@typescript-eslint/eslint-plugin": "7.16.1",
-        "@typescript-eslint/parser": "7.16.1",
-        "@typescript-eslint/utils": "7.16.1"
-      },
-      "engines": {
-        "node": "^18.18.0 || >=20.0.0"
-      },
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/typescript-eslint"
-      },
-      "peerDependencies": {
-        "eslint": "^8.56.0"
-      },
-      "peerDependenciesMeta": {
-        "typescript": {
-          "optional": true
-        }
-      }
-    },
-    "node_modules/typescript-eslint/node_modules/@typescript-eslint/eslint-plugin": {
-      "version": "7.16.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-7.16.1.tgz",
-      "integrity": "sha512-SxdPak/5bO0EnGktV05+Hq8oatjAYVY3Zh2bye9pGZy6+jwyR3LG3YKkV4YatlsgqXP28BTeVm9pqwJM96vf2A==",
-      "dev": true,
-      "dependencies": {
-        "@eslint-community/regexpp": "^4.10.0",
-        "@typescript-eslint/scope-manager": "7.16.1",
-        "@typescript-eslint/type-utils": "7.16.1",
-        "@typescript-eslint/utils": "7.16.1",
-        "@typescript-eslint/visitor-keys": "7.16.1",
-        "graphemer": "^1.4.0",
-        "ignore": "^5.3.1",
-        "natural-compare": "^1.4.0",
-        "ts-api-utils": "^1.3.0"
-      },
-      "engines": {
-        "node": "^18.18.0 || >=20.0.0"
-      },
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-        "type": "opencollective",
-        "url": "https://opencollective.com/typescript-eslint"
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-        "eslint": "^8.56.0"
-      },
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-        "typescript": {
-          "optional": true
-        }
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-    },
-    "node_modules/typescript-eslint/node_modules/@typescript-eslint/eslint-plugin/node_modules/@typescript-eslint/type-utils": {
-      "version": "7.16.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-7.16.1.tgz",
-      "integrity": "sha512-rbu/H2MWXN4SkjIIyWcmYBjlp55VT+1G3duFOIukTNFxr9PI35pLc2ydwAfejCEitCv4uztA07q0QWanOHC7dA==",
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-      "dependencies": {
-        "@typescript-eslint/typescript-estree": "7.16.1",
-        "@typescript-eslint/utils": "7.16.1",
-        "debug": "^4.3.4",
-        "ts-api-utils": "^1.3.0"
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-        }
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-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-7.16.1.tgz",
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+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/typescript-eslint/-/typescript-eslint-8.0.1.tgz",
+      "integrity": "sha512-V3Y+MdfhawxEjE16dWpb7/IOgeXnLwAEEkS7v8oDqNcR1oYlqWhGH/iHqHdKVdpWme1VPZ0SoywXAkCqawj2eQ==",
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-        "@typescript-eslint/types": "7.16.1",
-        "@typescript-eslint/typescript-estree": "7.16.1",
-        "@typescript-eslint/visitor-keys": "7.16.1",
-        "debug": "^4.3.4"
+        "@typescript-eslint/eslint-plugin": "8.0.1",
+        "@typescript-eslint/parser": "8.0.1",
+        "@typescript-eslint/utils": "8.0.1"
       },
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         "type": "opencollective",
         "url": "https://opencollective.com/typescript-eslint"
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-        "@typescript-eslint/scope-manager": "7.16.1",
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-        "@typescript-eslint/typescript-estree": "7.16.1"
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-        "url": "https://opencollective.com/typescript-eslint"
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diff --git a/package.json b/package.json
index 0b5d53db..8caeec5b 100644
--- a/package.json
+++ b/package.json
@@ -129,7 +129,7 @@
     "ts-jest": "^29.2.2",
     "ts-node": "^10.9.2",
     "typescript": "5.5.3",
-    "typescript-eslint": "^7.16.1",
+    "typescript-eslint": "^8.0.1",
     "vows": "^0.8.3"
   },
   "dependencies": {