diff --git a/lib/decoder.js b/lib/decoder.js
index c475101..a8a4050 100644
--- a/lib/decoder.js
+++ b/lib/decoder.js
@@ -1,8 +1,6 @@
-// @ts-ignore
 import varint from 'varint'
 import { CID } from 'multiformats/cid'
 import * as Digest from 'multiformats/hashes/digest'
-// @ts-ignore
 import { decode as decodeDagCbor } from '@ipld/dag-cbor'
 
 /**
diff --git a/lib/encoder.js b/lib/encoder.js
index 3c723bd..35061ca 100644
--- a/lib/encoder.js
+++ b/lib/encoder.js
@@ -1,6 +1,4 @@
-// @ts-ignore
 import varint from 'varint'
-// @ts-ignore
 import { encode as dagCborEncode } from '@ipld/dag-cbor'
 
 /**
diff --git a/package.json b/package.json
index 0b90004..700c184 100644
--- a/package.json
+++ b/package.json
@@ -4,16 +4,17 @@
   "description": "Content Addressable aRchive format reader and writer",
   "main": "car.js",
   "type": "module",
+  "types": "./types/car.d.ts",
   "directories": {
     "test": "test"
   },
   "scripts": {
     "build": "npm run build:js && npm run build:types",
-    "build:js": "npm_config_yes=true ipjs build --tests --main && npm run build:copy",
+    "build:js": "ipjs build --tests --main && npm run build:copy",
     "build:copy": "cp -a tsconfig.json *.js *.ts lib/ test/ dist/",
     "build:types": "npm run build:copy && cd dist && tsc --build",
     "prepublishOnly": "npm run build",
-    "publish": "npm_config_yes=true npx ipjs@latest publish",
+    "publish": "ipjs publish",
     "lint": "standard",
     "test:cjs": "rm -rf dist && npm run build && cp test/go.car dist/cjs/node-test/ && mocha dist/cjs/node-test/test-*.js && mocha dist/cjs/node-test/node-test-*.js && npm run test:cjs:browser",
     "test:node": "hundreds mocha test/test-*.js test/node-test-*.js",
@@ -38,25 +39,28 @@
   },
   "homepage": "https://github.com/ipld/js-car#readme",
   "devDependencies": {
-    "@ipld/dag-pb": "^0.0.1",
-    "@types/mocha": "^8.0.4",
-    "@types/node": "^14.14.9",
-    "@typescript-eslint/eslint-plugin": "^4.8.1",
-    "@typescript-eslint/parser": "^4.8.1",
-    "chai": "^4.2.0",
+    "@ipld/dag-pb": "^1.0.0",
+    "@types/chai": "^4.2.16",
+    "@types/chai-as-promised": "^7.1.3",
+    "@types/mocha": "^8.2.2",
+    "@types/node": "^14.14.41",
+    "@typescript-eslint/eslint-plugin": "^4.22.0",
+    "@typescript-eslint/parser": "^4.22.0",
+    "chai": "^4.3.4",
     "chai-as-promised": "^7.1.1",
-    "garbage": "^0.0.0",
-    "hundreds": "0.0.9",
-    "ipjs": "^3.3.0",
+    "hundreds": "^0.0.9",
+    "ipjs": "^5.0.0",
+    "ipld-garbage": "^3.0.2",
     "jsdoc4readme": "^1.4.0",
-    "mocha": "^8.2.0",
+    "mocha": "^8.3.2",
     "polendina": "^1.1.0",
     "standard": "^16.0.3",
-    "typescript": "^4.2.3"
+    "typescript": "^4.2.4"
   },
   "dependencies": {
-    "@ipld/dag-cbor": "^2.0.3",
-    "multiformats": "git://github.com/multiformats/js-multiformats.git#fix/type-mapping",
+    "@ipld/dag-cbor": "^5.0.0",
+    "@types/varint": "^6.0.0",
+    "multiformats": "^7.0.0",
     "varint": "^6.0.0"
   },
   "exports": {
@@ -85,7 +89,10 @@
   "typesVersions": {
     "*": {
       "*": [
-        "dist/types/*"
+        "types/*"
+      ],
+      "types/*": [
+        "types/*"
       ]
     }
   }
diff --git a/test/common.js b/test/common.js
index 742deda..22a514e 100644
--- a/test/common.js
+++ b/test/common.js
@@ -1,32 +1,45 @@
 import { bytes, CID } from 'multiformats'
 import { sha256 } from 'multiformats/hashes/sha2'
 import * as raw from 'multiformats/codecs/raw'
-// @ts-ignore
 import * as dagCbor from '@ipld/dag-cbor'
-// @ts-ignore
 import * as dagPb from '@ipld/dag-pb'
 
-// @ts-ignore
 import chai from 'chai'
-// @ts-ignore
 import chaiAsPromised from 'chai-as-promised'
 
 /**
  * @typedef {import('../api').Block} Block
+ * @typedef {import('@ipld/dag-pb').PBNode} PBNode
  */
 
+/**
+ * @extends {Block}
+ */
+class TestBlock {
+  /**
+   * @param {Uint8Array} bytes
+   * @param {CID} cid
+   * @param {any} object
+   */
+  constructor (bytes, cid, object) {
+    this.bytes = bytes
+    this.cid = cid
+    this.object = object
+  }
+}
+
 chai.use(chaiAsPromised)
 const { assert } = chai
 
-/** @type {Block[]} */
+/** @type {TestBlock[]} */
 let rawBlocks
-/** @type {Block[]} */
+/** @type {TestBlock[]} */
 const pbBlocks = []
-/** @type {Block[]} */
+/** @type {TestBlock[]} */
 const cborBlocks = []
-/** @type {[string, Block[]][]} */
+/** @type {[string, TestBlock[]][]} */
 let allBlocks
-/** @type {Block[]} */
+/** @type {TestBlock[]} */
 let allBlocksFlattened
 
 const rndCid = CID.parse('bafyreihyrpefhacm6kkp4ql6j6udakdit7g3dmkzfriqfykhjw6cad5lrm')
@@ -35,13 +48,13 @@ const rndCid = CID.parse('bafyreihyrpefhacm6kkp4ql6j6udakdit7g3dmkzfriqfykhjw6ca
  * @param {any} object
  * @param {{code: number, encode: (obj: any) => Uint8Array}} codec
  * @param {number} version
- * @returns {Promise<Block & { object: any }>}
+ * @returns {Promise<TestBlock & { object: any }>}
  */
 async function toBlock (object, codec, version = 1) {
   const bytes = codec.encode(object)
   const hash = await sha256.digest(bytes)
   const cid = CID.create(version, codec.code, hash)
-  return { bytes, cid, object }
+  return new TestBlock(bytes, cid, object)
 }
 
 async function makeData () {
@@ -52,14 +65,15 @@ async function makeData () {
 
     /**
      * @param {string} name
-     * @param {Block} block
+     * @param {TestBlock} block
      */
     const toPbLink = (name, block) => {
       let size = block.bytes.length
       if (block.cid.code === 0x70) {
         // special cumulative size handling for linking to dag-pb blocks
-        // @ts-ignore
-        size = block.object.Links.reduce((p, c) => p + c.Tsize, size)
+        /** @type {PBNode} */
+        const node = block.object
+        size = node.Links.reduce((p, c) => p + (c.Tsize || 0), size)
       }
       return {
         Name: name,
@@ -82,7 +96,7 @@ async function makeData () {
     }
 
     allBlocks = [['raw', rawBlocks.slice(0, 3)], ['pb', pbBlocks], ['cbor', cborBlocks]]
-    allBlocksFlattened = allBlocks.reduce((/** @type {Block[]} */ p, c) => p.concat(c[1]), [])
+    allBlocksFlattened = allBlocks.reduce((/** @type {TestBlock[]} */ p, c) => p.concat(c[1]), /** @type {TestBlock[]} */ [])
   }
 
   return {
diff --git a/test/node-test-large.js b/test/node-test-large.js
index c1f5448..32132de 100644
--- a/test/node-test-large.js
+++ b/test/node-test-large.js
@@ -4,11 +4,8 @@
 
 import fs from 'fs'
 import { Readable } from 'stream'
-// @ts-ignore
-import garbage from 'garbage'
-// @ts-ignore
+import { garbage } from 'ipld-garbage'
 import varint from 'varint'
-// @ts-ignore
 import * as dagCbor from '@ipld/dag-cbor'
 import { sha256 } from 'multiformats/hashes/sha2'
 import { CID } from 'multiformats/cid'
@@ -30,13 +27,13 @@ describe('Large CAR', () => {
     Readable.from(out).pipe(fs.createWriteStream('./test.car'))
 
     // offset starts at header length
-    let offset = dagCbor.encode({ version: 1, roots: [] }, 'dag-cbor').length
-    offset += varint.encode(offset.length).length
+    let offset = dagCbor.encode({ version: 1, roots: [] }).length
+    offset += varint.encode(offset).length
 
     for (let i = 0; i < 500; i++) {
-      const obj = garbage.object(1000)
+      const obj = garbage(1000)
       objects.push(obj)
-      const bytes = dagCbor.encode(obj, 'dag-cbor')
+      const bytes = dagCbor.encode(obj)
       const hash = await sha256.digest(bytes)
       const cid = CID.create(1, dagCbor.code, hash)
       cids.push(cid.toString())
diff --git a/tsconfig.json b/tsconfig.json
index f33d6aa..71181a6 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -21,11 +21,12 @@
     "moduleResolution": "node",
     "declaration": true,
     "declarationMap": true,
-    "emitDeclarationOnly": true,
     "outDir": "types",
     "skipLibCheck": true,
     "stripInternal": true,
     "resolveJsonModule": true,
+    "emitDeclarationOnly": true,
+    "baseUrl": ".",
     "paths": {
       "@ipld/car": [ "car.js", "car-browser.js", "lib/" ],
       "@ipld/car/writer": [ "./lib/writer.js" ],
@@ -33,14 +34,12 @@
       "@ipld/car/indexed-reader": [ "./lib/indexed-reader.js" ],
       "@ipld/car/iterator": [ "./lib/iterator.js" ],
       "@ipld/car/indexer": [ "./lib/indexer.js" ]
-    },
-    "baseUrl": "."
+    }
   },
-  "include": [ "lib", "." ],
   "exclude": [
-    "node_modules/",
-    "esm/",
-    "cjs/",
+    "node_modules",
+    "esm",
+    "cjs",
     "example*.js"
   ],
   "compileOnSave": false