diff --git a/package.json b/package.json
index 8738dd3..7698011 100644
--- a/package.json
+++ b/package.json
@@ -67,6 +67,7 @@
   },
   "dependencies": {
     "cids": "~0.8.0",
+    "buffer": "^5.5.0",
     "class-is": "^1.1.0",
     "multicodec": "^1.0.0",
     "multihashing-async": "~0.8.0",
diff --git a/src/dag-link/dagLink.js b/src/dag-link/dagLink.js
index 5ab3e39..dc55565 100644
--- a/src/dag-link/dagLink.js
+++ b/src/dag-link/dagLink.js
@@ -2,6 +2,7 @@
 
 const CID = require('cids')
 const withIs = require('class-is')
+const { Buffer } = require('buffer')
 
 // Link represents an IPFS Merkle DAG Link between Nodes.
 class DAGLink {
diff --git a/src/dag-node/dagNode.js b/src/dag-node/dagNode.js
index 2bc0fa4..1184580 100644
--- a/src/dag-node/dagNode.js
+++ b/src/dag-node/dagNode.js
@@ -1,6 +1,7 @@
 'use strict'
 
 const withIs = require('class-is')
+const { Buffer } = require('buffer')
 const sortLinks = require('./sortLinks')
 const DAGLink = require('../dag-link/dagLink')
 const { serializeDAGNode } = require('../serialize.js')
diff --git a/src/dag-node/rmLink.js b/src/dag-node/rmLink.js
index bd94dd5..4ccd82d 100644
--- a/src/dag-node/rmLink.js
+++ b/src/dag-node/rmLink.js
@@ -1,6 +1,7 @@
 'use strict'
 
 const CID = require('cids')
+const { Buffer } = require('buffer')
 
 const rmLink = (dagNode, nameOrCid) => {
   // It's a name
diff --git a/src/dag-node/sortLinks.js b/src/dag-node/sortLinks.js
index df4ba2c..bf71ef7 100644
--- a/src/dag-node/sortLinks.js
+++ b/src/dag-node/sortLinks.js
@@ -1,6 +1,7 @@
 'use strict'
 
 const sort = require('stable')
+const { Buffer } = require('buffer')
 
 const linkSort = (a, b) => {
   return Buffer.compare(a.nameAsBuffer, b.nameAsBuffer)
diff --git a/src/util.js b/src/util.js
index eda2a41..76e4267 100644
--- a/src/util.js
+++ b/src/util.js
@@ -1,5 +1,6 @@
 'use strict'
 
+const { Buffer } = require('buffer')
 const protons = require('protons')
 const proto = protons(require('./dag.proto'))
 const DAGLink = require('./dag-link/dagLink')
diff --git a/test/dag-link-test.js b/test/dag-link-test.js
index 78b59a9..2e23243 100644
--- a/test/dag-link-test.js
+++ b/test/dag-link-test.js
@@ -2,6 +2,7 @@
 'use strict'
 
 const chai = require('chai')
+const { Buffer } = require('buffer')
 const dirtyChai = require('dirty-chai')
 const expect = chai.expect
 chai.use(dirtyChai)
diff --git a/test/dag-node-test.js b/test/dag-node-test.js
index d08adae..4565871 100644
--- a/test/dag-node-test.js
+++ b/test/dag-node-test.js
@@ -2,6 +2,7 @@
 'use strict'
 
 const chai = require('chai')
+const { Buffer } = require('buffer')
 const dirtyChai = require('dirty-chai')
 const expect = chai.expect
 chai.use(dirtyChai)
diff --git a/test/resolver.spec.js b/test/resolver.spec.js
index 11b96b9..4139ab9 100644
--- a/test/resolver.spec.js
+++ b/test/resolver.spec.js
@@ -3,6 +3,7 @@
 'use strict'
 
 const chai = require('chai')
+const { Buffer } = require('buffer')
 const dirtyChai = require('dirty-chai')
 const expect = chai.expect
 chai.use(dirtyChai)
diff --git a/test/util.spec.js b/test/util.spec.js
index 710c5d4..1b91578 100644
--- a/test/util.spec.js
+++ b/test/util.spec.js
@@ -3,6 +3,7 @@
 'use strict'
 
 const CID = require('cids')
+const { Buffer } = require('buffer')
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
 const expect = chai.expect