diff --git a/.gitignore b/.gitignore
index ae89f3f..296ff5b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -114,5 +114,5 @@ dist
 .yarn/build-state.yml
 .pnp.*
 
-# Type declarations
+# Dist
 /dist
diff --git a/lib/core-index-stream.js b/lib/core-index-stream.js
index c8e4e79..97b1771 100644
--- a/lib/core-index-stream.js
+++ b/lib/core-index-stream.js
@@ -30,7 +30,7 @@ const kUpdateState = Symbol('updateState')
  * @extends {Readable<Entry<T>, Entry<T>, Entry<T>, true, false, Omit<import('./types').IndexStreamEvents<Entry<T>>, 'index-state'>>}
  */
 class CoreIndexStream extends Readable {
-  /** @type {Bitfield} */
+  /** @type {Bitfield | undefined} */
   #bitfield
   #core
   #storage
@@ -100,7 +100,7 @@ class CoreIndexStream extends Readable {
   async [kDestroyPromise]() {
     this.#core.removeListener('append', this[kHandleAppend])
     this.#core.removeListener('download', this[kHandleDownload])
-    await this.#bitfield.flush()
+    await this.#bitfield?.flush()
   }
 
   async [kOpenPromise]() {
@@ -141,7 +141,7 @@ class CoreIndexStream extends Readable {
       // If nothing was pushed, queue up another read
       await this[kReadPromise]()
     }
-    await this.#bitfield.flush()
+    await this.#bitfield?.flush()
   }
 
   /**
@@ -151,11 +151,11 @@ class CoreIndexStream extends Readable {
    * @returns {Promise<boolean>}
    */
   async [kPushEntry](index) {
-    const isIndexed = this.#bitfield.get(index)
+    const isIndexed = this.#bitfield?.get(index)
     if (isIndexed) return false
     const block = await this.#core.get(index, { wait: false })
     if (block === null) return false
-    this.#bitfield.set(index, true)
+    this.#bitfield?.set(index, true)
     const entry = { key: this.#core.key, block, index }
     this.#readBufferAvailable = this.push(entry)
     return true
diff --git a/lib/multi-core-index-stream.js b/lib/multi-core-index-stream.js
index d86d5ca..5c88f8c 100644
--- a/lib/multi-core-index-stream.js
+++ b/lib/multi-core-index-stream.js
@@ -29,8 +29,6 @@ class MultiCoreIndexStream extends Readable {
   /** @type {Set<CoreIndexStream<T>>} */
   #readable = new Set()
   #pending = pDefer()
-  /** @type {ReturnType<typeof setTimeout>} */
-  #timeoutId
   #destroying = false
   /** @type {import('./types').IndexStateCurrent} */
   #state = 'idle'
diff --git a/package-lock.json b/package-lock.json
index 31933db..fdd295f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
       },
       "devDependencies": {
         "@types/debug": "^4.1.7",
-        "@types/node": "^17.0.18",
+        "@types/node": "^18.16.19",
         "@types/streamx": "^2.9.1",
         "@types/tap": "^15.0.5",
         "brittle": "^2.0.3",
@@ -32,9 +32,9 @@
         "prettier": "^2.5.1",
         "random-access-memory": "^4.0.0",
         "tap": "^15.1.6",
-        "tempy": "^2.0.0",
+        "tempy": "^3.0.0",
         "tiny-typed-emitter": "^2.1.0",
-        "typescript": "^4.9.5"
+        "typescript": "^5.1.6"
       }
     },
     "node_modules/@ampproject/remapping": {
@@ -507,41 +507,6 @@
         "@jridgewell/sourcemap-codec": "^1.4.10"
       }
     },
-    "node_modules/@nodelib/fs.scandir": {
-      "version": "2.1.5",
-      "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
-      "integrity": "sha512-vq24Bq3ym5HEQm2NKCr3yXDwjc7vTsEThRDnkp2DK9p1uqLR+DHurm/NOTo0KG7HYHU7eppKZj3MyqYuMBf62g==",
-      "dev": true,
-      "dependencies": {
-        "@nodelib/fs.stat": "2.0.5",
-        "run-parallel": "^1.1.9"
-      },
-      "engines": {
-        "node": ">= 8"
-      }
-    },
-    "node_modules/@nodelib/fs.stat": {
-      "version": "2.0.5",
-      "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-2.0.5.tgz",
-      "integrity": "sha512-RkhPPp2zrqDAQA/2jNhnztcPAlv64XdhIp7a7454A5ovI7Bukxgt7MX7udwAu3zg1DcpPU0rz3VV1SeaqvY4+A==",
-      "dev": true,
-      "engines": {
-        "node": ">= 8"
-      }
-    },
-    "node_modules/@nodelib/fs.walk": {
-      "version": "1.2.8",
-      "resolved": "https://registry.npmjs.org/@nodelib/fs.walk/-/fs.walk-1.2.8.tgz",
-      "integrity": "sha512-oGB+UxlgWcgQkgwo8GcEGwemoTFt3FIO9ababBmaGwXIoBKZ+GTy0pP185beGg7Llih/NSHSV2XAs1lnznocSg==",
-      "dev": true,
-      "dependencies": {
-        "@nodelib/fs.scandir": "2.1.5",
-        "fastq": "^1.6.0"
-      },
-      "engines": {
-        "node": ">= 8"
-      }
-    },
     "node_modules/@types/debug": {
       "version": "4.1.7",
       "resolved": "https://registry.npmjs.org/@types/debug/-/debug-4.1.7.tgz",
@@ -564,9 +529,9 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "17.0.18",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-17.0.18.tgz",
-      "integrity": "sha512-eKj4f/BsN/qcculZiRSujogjvp5O/k4lOW5m35NopjZM/QwLOR075a8pJW5hD+Rtdm2DaCVPENS6KtSQnUD6BA==",
+      "version": "18.16.19",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.16.19.tgz",
+      "integrity": "sha512-IXl7o+R9iti9eBW4Wg2hx1xQDig183jj7YLn8F7udNceyfkbn1ZxmzZXuak20gR40D7pIkIY1kYGx5VIGbaHKA==",
       "dev": true
     },
     "node_modules/@types/ps-tree": {
@@ -752,15 +717,6 @@
         "sprintf-js": "~1.0.2"
       }
     },
-    "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/asn1": {
       "version": "0.2.6",
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.6.tgz",
@@ -1773,43 +1729,6 @@
         "node": ">= 0.4"
       }
     },
-    "node_modules/del": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/del/-/del-6.0.0.tgz",
-      "integrity": "sha512-1shh9DQ23L16oXSZKB2JxpL7iMy2E0S9d517ptA1P8iw0alkPtQcrKH7ru31rYtKwF499HkTu+DRzq3TCKDFRQ==",
-      "dev": true,
-      "dependencies": {
-        "globby": "^11.0.1",
-        "graceful-fs": "^4.2.4",
-        "is-glob": "^4.0.1",
-        "is-path-cwd": "^2.2.0",
-        "is-path-inside": "^3.0.2",
-        "p-map": "^4.0.0",
-        "rimraf": "^3.0.2",
-        "slash": "^3.0.0"
-      },
-      "engines": {
-        "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
-    "node_modules/del/node_modules/p-map": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/p-map/-/p-map-4.0.0.tgz",
-      "integrity": "sha512-/bjOqmgETBYB5BoEeGVea8dmvHb2m9GLy1E9W43yeyfP6QQCZGFNa+XRceJEuDB6zqr+gKpIAmlLebMpykw/MQ==",
-      "dev": true,
-      "dependencies": {
-        "aggregate-error": "^3.0.0"
-      },
-      "engines": {
-        "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/delayed-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
@@ -1828,18 +1747,6 @@
         "node": ">=0.3.1"
       }
     },
-    "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",
@@ -2380,22 +2287,6 @@
       "resolved": "https://registry.npmjs.org/fast-fifo/-/fast-fifo-1.1.0.tgz",
       "integrity": "sha512-Kl29QoNbNvn4nhDsLYjyIAaIqaJB6rBx5p3sL9VjaefJ+eMFBWVZiaoguaoZfzEKr5RhAti0UgM8703akGPJ6g=="
     },
-    "node_modules/fast-glob": {
-      "version": "3.2.11",
-      "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-3.2.11.tgz",
-      "integrity": "sha512-xrO3+1bxSo3ZVHAnqzyuewYT6aMFHRAd4Kcs92MAonjwQZLsK9d0SF1IyQ3k5PoirxTW0Oe/RqFgMQ6TcNE5Ew==",
-      "dev": true,
-      "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"
-      },
-      "engines": {
-        "node": ">=8.6.0"
-      }
-    },
     "node_modules/fast-json-stable-stringify": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
@@ -2408,15 +2299,6 @@
       "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=",
       "dev": true
     },
-    "node_modules/fastq": {
-      "version": "1.13.0",
-      "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.13.0.tgz",
-      "integrity": "sha512-YpkpUnK8od0o1hmeSc7UUs/eB/vIPWJYjKck2QKIzAf71Vm1AAQ3EbuZB3g2JIy+pg+ERD0vqI79KyZiB2e2Nw==",
-      "dev": true,
-      "dependencies": {
-        "reusify": "^1.0.4"
-      }
-    },
     "node_modules/file-entry-cache": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-6.0.1.tgz",
@@ -2512,6 +2394,7 @@
       "version": "2.3.2",
       "resolved": "https://registry.npmjs.org/folktale/-/folktale-2.3.2.tgz",
       "integrity": "sha512-+8GbtQBwEqutP0v3uajDDoN64K2ehmHd0cjlghhxh0WpcfPzAIjPA03e1VvHlxL02FVGR0A6lwXsNQKn3H1RNQ==",
+      "deprecated": "This package is no longer actively maintained. Only security patches will be provided, if needed. Consider switching to fp-ts.",
       "dev": true
     },
     "node_modules/foreach": {
@@ -2745,26 +2628,6 @@
         "node": ">=4"
       }
     },
-    "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/graceful-fs": {
       "version": "4.2.9",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.9.tgz",
@@ -3343,24 +3206,6 @@
         "b4a": "^1.1.1"
       }
     },
-    "node_modules/is-path-cwd": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/is-path-cwd/-/is-path-cwd-2.2.0.tgz",
-      "integrity": "sha512-w942bTcih8fdJPJmQHFzkS76NEP8Kzzvmw92cXsazb8intwLqPibPPdXf4ANdKV3rYMuuQYGIWtvz9JilB3NFQ==",
-      "dev": true,
-      "engines": {
-        "node": ">=6"
-      }
-    },
-    "node_modules/is-path-inside": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/is-path-inside/-/is-path-inside-3.0.3.tgz",
-      "integrity": "sha512-Fd4gABb+ycGAmKou8eMftCupSir5lRxqf4aD/vd0cD2qc4HL07OjCeuHMr8Ro4CoMaeCKDB0/ECBOVWjTwUvPQ==",
-      "dev": true,
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/is-regex": {
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.1.4.tgz",
@@ -4353,15 +4198,6 @@
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       "dev": true
     },
-    "node_modules/merge2": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
-      "integrity": "sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==",
-      "dev": true,
-      "engines": {
-        "node": ">= 8"
-      }
-    },
     "node_modules/merkle-tree-stream": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/merkle-tree-stream/-/merkle-tree-stream-4.0.0.tgz",
@@ -5193,15 +5029,6 @@
       "integrity": "sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==",
       "dev": true
     },
-    "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/pause-stream": {
       "version": "0.0.11",
       "resolved": "https://registry.npmjs.org/pause-stream/-/pause-stream-0.0.11.tgz",
@@ -5380,26 +5207,6 @@
         "node": ">=0.6"
       }
     },
-    "node_modules/queue-microtask": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/queue-microtask/-/queue-microtask-1.2.3.tgz",
-      "integrity": "sha512-NuaNSa6flKT5JaSYQzJok04JzTL1CA6aGhv5rfLW3PgqA+M2ChpZQnAC8h8i4ZFkBS8X5RqkDBHA7r4hej3K9A==",
-      "dev": true,
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/feross"
-        },
-        {
-          "type": "patreon",
-          "url": "https://www.patreon.com/feross"
-        },
-        {
-          "type": "consulting",
-          "url": "https://feross.org/support"
-        }
-      ]
-    },
     "node_modules/queue-tick": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/queue-tick/-/queue-tick-1.0.0.tgz",
@@ -5632,16 +5439,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/reusify": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/reusify/-/reusify-1.0.4.tgz",
-      "integrity": "sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==",
-      "dev": true,
-      "engines": {
-        "iojs": ">=1.0.0",
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/rfdc": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/rfdc/-/rfdc-1.3.0.tgz",
@@ -5663,29 +5460,6 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
-    "node_modules/run-parallel": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.2.0.tgz",
-      "integrity": "sha512-5l4VyZR86LZ/lDxZTR6jqL8AFE2S0IFLMP26AbjsLVADxHdhB/c0GUsH+y39UfCi3dzz8OlQuPmnaJOMoDHQBA==",
-      "dev": true,
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/feross"
-        },
-        {
-          "type": "patreon",
-          "url": "https://www.patreon.com/feross"
-        },
-        {
-          "type": "consulting",
-          "url": "https://feross.org/support"
-        }
-      ],
-      "dependencies": {
-        "queue-microtask": "^1.2.2"
-      }
-    },
     "node_modules/rxjs": {
       "version": "7.8.1",
       "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-7.8.1.tgz",
@@ -5904,15 +5678,6 @@
         "nanoassert": "^2.0.0"
       }
     },
-    "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/slice-ansi": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/slice-ansi/-/slice-ansi-5.0.0.tgz",
@@ -8383,19 +8148,18 @@
       }
     },
     "node_modules/tempy": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/tempy/-/tempy-2.0.0.tgz",
-      "integrity": "sha512-m+QReZVhpa0Y56fmfoLFRZN4aDFdd3qVd8a9k3RfyTw/1utVYNg+Ar4BY6l4/TlkhYCCJFfhYWt9uy0127buJg==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/tempy/-/tempy-3.0.0.tgz",
+      "integrity": "sha512-B2I9X7+o2wOaW4r/CWMkpOO9mdiTRCxXNgob6iGvPmfPWgH/KyUD6Uy5crtWBxIBe3YrNZKR2lSzv1JJKWD4vA==",
       "dev": true,
       "dependencies": {
-        "del": "^6.0.0",
         "is-stream": "^3.0.0",
         "temp-dir": "^2.0.0",
-        "type-fest": "^2.0.0",
+        "type-fest": "^2.12.2",
         "unique-string": "^3.0.0"
       },
       "engines": {
-        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+        "node": ">=14.16"
       },
       "funding": {
         "url": "https://github.com/sponsors/sindresorhus"
@@ -8414,9 +8178,9 @@
       }
     },
     "node_modules/tempy/node_modules/type-fest": {
-      "version": "2.12.0",
-      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-2.12.0.tgz",
-      "integrity": "sha512-Qe5GRT+n/4GoqCNGGVp5Snapg1Omq3V7irBJB3EaKsp7HWDo5Gv2d/67gfNyV+d5EXD+x/RF5l1h4yJ7qNkcGA==",
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+      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-2.19.0.tgz",
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@@ -8577,16 +8341,16 @@
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@@ -9426,32 +9190,6 @@
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@@ -9474,9 +9212,9 @@
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@@ -9627,12 +9365,6 @@
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@@ -10415,33 +10147,6 @@
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@@ -10454,15 +10159,6 @@
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@@ -10883,19 +10579,6 @@
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@@ -10908,15 +10591,6 @@
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-      "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.13.0.tgz",
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@@ -11166,20 +10840,6 @@
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-      "version": "11.1.0",
-      "resolved": "https://registry.npmjs.org/globby/-/globby-11.1.0.tgz",
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-      "dev": true,
-      "requires": {
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-        "dir-glob": "^3.0.1",
-        "fast-glob": "^3.2.9",
-        "ignore": "^5.2.0",
-        "merge2": "^1.4.1",
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@@ -11618,18 +11278,6 @@
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       }
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-      "dev": true
-    },
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-      "resolved": "https://registry.npmjs.org/is-path-inside/-/is-path-inside-3.0.3.tgz",
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@@ -12347,12 +11995,6 @@
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-      "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
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@@ -13035,12 +12677,6 @@
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@@ -13173,12 +12809,6 @@
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-    "queue-microtask": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/queue-microtask/-/queue-microtask-1.2.3.tgz",
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-      "dev": true
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@@ -13367,12 +12997,6 @@
         "signal-exit": "^3.0.2"
       }
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-    "reusify": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/reusify/-/reusify-1.0.4.tgz",
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@@ -13388,15 +13012,6 @@
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       }
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-    "run-parallel": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.2.0.tgz",
-      "integrity": "sha512-5l4VyZR86LZ/lDxZTR6jqL8AFE2S0IFLMP26AbjsLVADxHdhB/c0GUsH+y39UfCi3dzz8OlQuPmnaJOMoDHQBA==",
-      "dev": true,
-      "requires": {
-        "queue-microtask": "^1.2.2"
-      }
-    },
     "rxjs": {
       "version": "7.8.1",
       "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-7.8.1.tgz",
@@ -13595,12 +13210,6 @@
         "nanoassert": "^2.0.0"
       }
     },
-    "slash": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/slash/-/slash-3.0.0.tgz",
-      "integrity": "sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==",
-      "dev": true
-    },
     "slice-ansi": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/slice-ansi/-/slice-ansi-5.0.0.tgz",
@@ -15290,15 +14899,14 @@
       "dev": true
     },
     "tempy": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/tempy/-/tempy-2.0.0.tgz",
-      "integrity": "sha512-m+QReZVhpa0Y56fmfoLFRZN4aDFdd3qVd8a9k3RfyTw/1utVYNg+Ar4BY6l4/TlkhYCCJFfhYWt9uy0127buJg==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/tempy/-/tempy-3.0.0.tgz",
+      "integrity": "sha512-B2I9X7+o2wOaW4r/CWMkpOO9mdiTRCxXNgob6iGvPmfPWgH/KyUD6Uy5crtWBxIBe3YrNZKR2lSzv1JJKWD4vA==",
       "dev": true,
       "requires": {
-        "del": "^6.0.0",
         "is-stream": "^3.0.0",
         "temp-dir": "^2.0.0",
-        "type-fest": "^2.0.0",
+        "type-fest": "^2.12.2",
         "unique-string": "^3.0.0"
       },
       "dependencies": {
@@ -15309,9 +14917,9 @@
           "dev": true
         },
         "type-fest": {
-          "version": "2.12.0",
-          "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-2.12.0.tgz",
-          "integrity": "sha512-Qe5GRT+n/4GoqCNGGVp5Snapg1Omq3V7irBJB3EaKsp7HWDo5Gv2d/67gfNyV+d5EXD+x/RF5l1h4yJ7qNkcGA==",
+          "version": "2.19.0",
+          "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-2.19.0.tgz",
+          "integrity": "sha512-RAH822pAdBgcNMAfWnCBU3CFZcfZ/i1eZjwFU/dsLKumyuuP3niueg2UAukXYF0E2AAoc82ZSSf9J0WQBinzHA==",
           "dev": true
         }
       }
@@ -15444,9 +15052,9 @@
       }
     },
     "typescript": {
-      "version": "4.9.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.5.tgz",
-      "integrity": "sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==",
+      "version": "5.1.6",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.1.6.tgz",
+      "integrity": "sha512-zaWCozRZ6DLEWAWFrVDz1H6FVXzUSfTy5FUMWsQlU8Ym5JP9eO4xkTIROFCQvhQf61z6O/G6ugw3SgAnvvm+HA==",
       "dev": true
     },
     "uint64be": {
diff --git a/package.json b/package.json
index a5dd367..f6f15d1 100644
--- a/package.json
+++ b/package.json
@@ -3,13 +3,15 @@
   "version": "1.0.0-alpha.0",
   "description": "Index one or more hypercores",
   "main": "index.js",
+  "types": "dist/index.d.ts",
   "scripts": {
     "test": "run-p lint type tap",
     "lint": "eslint .",
     "tap": "tap",
     "posttest": "mkdir -p coverage && tap --coverage-report=text-lcov > ./coverage/lcov.info",
-    "type": "tsc --noEmit",
-    "prepare": "husky install"
+    "type": "tsc",
+    "prepare": "husky install",
+    "prepublishOnly": "tsc"
   },
   "keywords": [],
   "author": "Digital Democracy",
@@ -23,7 +25,7 @@
   },
   "devDependencies": {
     "@types/debug": "^4.1.7",
-    "@types/node": "^17.0.18",
+    "@types/node": "^18.16.19",
     "@types/streamx": "^2.9.1",
     "@types/tap": "^15.0.5",
     "brittle": "^2.0.3",
@@ -38,9 +40,9 @@
     "prettier": "^2.5.1",
     "random-access-memory": "^4.0.0",
     "tap": "^15.1.6",
-    "tempy": "^2.0.0",
+    "tempy": "^3.0.0",
     "tiny-typed-emitter": "^2.1.0",
-    "typescript": "^4.5.5"
+    "typescript": "^5.1.6"
   },
   "eslintConfig": {
     "env": {
@@ -68,6 +70,10 @@
     "lib": "lib",
     "test": "test"
   },
+  "files": [
+    "*.d.ts",
+    "lib"
+  ],
   "repository": {
     "type": "git",
     "url": "git+https://github.com/digidem/multi-core-indexer.git"
diff --git a/test/multi-core-indexer.test.js b/test/multi-core-indexer.test.js
index 0a1f468..687b8b7 100644
--- a/test/multi-core-indexer.test.js
+++ b/test/multi-core-indexer.test.js
@@ -191,8 +191,8 @@ test('Maintains index state (memory storage)', async (t) => {
 })
 
 test('Maintains index state (file storage)', async (t) => {
-  const { default: tempy } = await import('tempy')
-  await tempy.directory.task(async (dir) => {
+  const { temporaryDirectoryTask } = await import('tempy')
+  await temporaryDirectoryTask(async (dir) => {
     const cores = await createMultiple(5)
     const expected1 = await generateFixtures(cores, 1000)
 
diff --git a/tsconfig.json b/tsconfig.json
index 99ca3d8..406ae41 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -2,17 +2,18 @@
   "compilerOptions": {
     "target": "es2019",
     "lib": ["es2020", "dom"],
-    "noImplicitAny": true,
-    "strictNullChecks": true,
-    "allowSyntheticDefaultImports": true,
+    "strict": true,
+    "esModuleInterop": true,
     "resolveJsonModule": true,
     "module": "es2020",
     "moduleResolution": "node",
     "allowJs": true,
     "checkJs": false,
-    "noEmit": true,
+    "declaration": true,
+    "emitDeclarationOnly": true,
+    "outDir": "./dist",
     "typeRoots": ["types", "node_modules/@types"]
   },
   "include": ["**/*"],
-  "exclude": ["node_modules"]
+  "exclude": ["node_modules", "dist/**/*"]
 }