diff --git a/SPEC/BITSWAP.md b/SPEC/BITSWAP.md
index 5f42db305..e6d218ac7 100644
--- a/SPEC/BITSWAP.md
+++ b/SPEC/BITSWAP.md
@@ -45,12 +45,12 @@ Note: `bitswap.stat` and `stats.bitswap` can be used interchangeably.
 - `provideBufLen` is an integer.
 - `wantlist` (array of CIDs)
 - `peers` (array of peer IDs)
-- `blocksReceived` is a [Big Int][1]
-- `dataReceived` is a [Big Int][1]
-- `blocksSent` is a [Big Int][1]
-- `dataSent` is a [Big Int][1]
-- `dupBlksReceived` is a [Big Int][1]
-- `dupDataReceived` is a [Big Int][1]
+- `blocksReceived` is a [BigNumber Int][1]
+- `dataReceived` is a [BigNumber Int][1]
+- `blocksSent` is a [BigNumber Int][1]
+- `dataSent` is a [BigNumber Int][1]
+- `dupBlksReceived` is a [BigNumber Int][1]
+- `dupDataReceived` is a [BigNumber Int][1]
 
 If no `callback` is passed, a promise is returned.
 
@@ -73,4 +73,4 @@ ipfs.bitswap.stat((err, stats) => console.log(stats))
 //  dupDataReceived: 0 }
 ```
 
-[1]: https://github.com/MikeMcl/big.js/
+[1]: https://github.com/MikeMcl/bignumber.js/
diff --git a/SPEC/REPO.md b/SPEC/REPO.md
index 4ce638ba8..55374d3d0 100644
--- a/SPEC/REPO.md
+++ b/SPEC/REPO.md
@@ -45,11 +45,11 @@ Where:
 
 `callback` must follow `function (err, stats) {}` signature, where `err` is an Error if the operation was not successful and `stats` is an object containing the following keys:
 
-- `numObjects` is a [Big Int][1].
-- `repoSize` is a [Big Int][1], in bytes.
+- `numObjects` is a [BigNumber Int][1].
+- `repoSize` is a [BigNumber Int][1], in bytes.
 - `repoPath` is a string.
 - `version` is a string.
-- `storageMax` is a [Big Int][1].
+- `storageMax` is a [BigNumber Int][1].
 
 If no `callback` is passed, a promise is returned.
 
@@ -85,4 +85,4 @@ ipfs.repo.version((err, version) => console.log(version))
 // "6"
 ```
 
-[1]: https://github.com/MikeMcl/big.js/
+[1]: https://github.com/MikeMcl/bignumber.js/
diff --git a/SPEC/STATS.md b/SPEC/STATS.md
index 295a4aa95..82198c657 100644
--- a/SPEC/STATS.md
+++ b/SPEC/STATS.md
@@ -38,10 +38,10 @@ Where:
 
 `stat` is, in both cases, an Object containing the following keys:
 
-- `totalIn` - is a [Big Int][big], in bytes.
-- `totalOut` - is a [Big Int][big], in bytes.
-- `rateIn` - is a [Big Int][big], in bytes.
-- `rateOut` - is a [Big Int][big], in bytes.
+- `totalIn` - is a [BigNumber Int][bigNumber], in bytes.
+- `totalOut` - is a [BigNumber Int][bigNumber], in bytes.
+- `rateIn` - is a [BigNumber Int][bigNumber], in bytes.
+- `rateOut` - is a [BigNumber Int][bigNumber], in bytes.
 
 If no `callback` is passed, a promise is returned.
 
@@ -50,10 +50,10 @@ If no `callback` is passed, a promise is returned.
 ```JavaScript
 ipfs.stats.bw((err, stats) => console.log(stats))
 
-// { totalIn: Big {...},
-//   totalOut: Big {...},
-//   rateIn: Big {...},
-//   rateOut: Big {...} }
+// { totalIn: BigNumber {...},
+//   totalOut: BigNumber {...},
+//   rateIn: BigNumber {...},
+//   rateOut: BigNumber {...} }
 ```
 
 #### `stats.bwPullStream`
@@ -79,10 +79,10 @@ pull(
   log()
 )
 
-// { totalIn: Big {...},
-//   totalOut: Big {...},
-//   rateIn: Big {...},
-//   rateOut: Big {...} }
+// { totalIn: BigNumber {...},
+//   totalOut: BigNumber {...},
+//   rateIn: BigNumber {...},
+//   rateOut: BigNumber {...} }
 // ...
 // Ad infinitum
 ```
@@ -106,14 +106,14 @@ stream.on('data', (data) => {
   console.log(data)
 }))
 
-// { totalIn: Big {...},
-//   totalOut: Big {...},
-//   rateIn: Big {...},
-//   rateOut: Big {...} }
+// { totalIn: BigNumber {...},
+//   totalOut: BigNumber {...},
+//   rateIn: BigNumber {...},
+//   rateOut: BigNumber {...} }
 // ...
 // Ad infinitum
 ```
 
-[big]: https://github.com/MikeMcl/big.js/
+[bigNumber]: https://github.com/MikeMcl/bignumber.js/
 [rs]: https://www.npmjs.com/package/readable-stream
 [ps]: https://www.npmjs.com/package/pull-stream
diff --git a/js/src/stats/utils.js b/js/src/stats/utils.js
index 7d02ce0e5..fd7a1d62a 100644
--- a/js/src/stats/utils.js
+++ b/js/src/stats/utils.js
@@ -3,7 +3,7 @@
 const { expect } = require('../utils/mocha')
 
 const isBigInt = (n) => {
-  return n.constructor.name === 'Big'
+  return n.constructor.name === 'BigNumber'
 }
 
 exports.expectIsBitswap = (err, stats) => {
diff --git a/package.json b/package.json
index c756f4196..eddab09e5 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,6 @@
   "homepage": "https://github.com/ipfs/interface-ipfs-core#readme",
   "dependencies": {
     "async": "^2.6.1",
-    "big.js": "^5.2.2",
     "bl": "^2.1.2",
     "bs58": "^4.0.1",
     "chai": "^4.2.0",
@@ -49,7 +48,7 @@
     "into-stream": "^4.0.0",
     "ipfs-block": "~0.8.0",
     "ipfs-unixfs": "~0.1.16",
-    "ipld-dag-cbor": "~0.13.0",
+    "ipld-dag-cbor": "~0.13.1",
     "ipld-dag-pb": "~0.15.0",
     "is-ipfs": "~0.4.2",
     "is-plain-object": "^2.0.4",