diff --git a/.eslintrc.json b/.eslintrc.json
index 84cef4f..1c6afb9 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -1,11 +1,9 @@
 {
   "parserOptions": {
-    "ecmaVersion": 5
+    "ecmaVersion": 6,
+    "sourceType": "module"
   },
   "extends": "eslint:recommended",
-  "env": {
-    "commonjs": true
-  },
   "rules": {
     "strict": [2, "global"],
     "block-scoped-var": 2,
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 063845e..60c4fb6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,10 +13,12 @@ jobs:
       - uses: actions/checkout@v2
 
       - uses: purescript-contrib/setup-purescript@main
+        with:
+          purescript: "unstable"
 
       - uses: actions/setup-node@v1
         with:
-          node-version: "10"
+          node-version: "14"
 
       - name: Install dependencies
         run: |
diff --git a/bower.json b/bower.json
index bfdb23b..9ae2eb8 100644
--- a/bower.json
+++ b/bower.json
@@ -13,15 +13,15 @@
     "url": "https://github.com/purescript-node/purescript-node-buffer.git"
   },
   "dependencies": {
-    "purescript-arraybuffer-types": "^3.0.0",
-    "purescript-effect": "^3.0.0",
-    "purescript-maybe": "^5.0.0",
-    "purescript-st": "^5.0.0",
-    "purescript-unsafe-coerce": "^5.0.0"
+    "purescript-arraybuffer-types": "main",
+    "purescript-effect": "master",
+    "purescript-maybe": "master",
+    "purescript-st": "master",
+    "purescript-unsafe-coerce": "master"
   },
   "devDependencies": {
-    "purescript-assert": "^5.0.0",
-    "purescript-console": "^5.0.0",
-    "purescript-foldable-traversable": "^5.0.0"
+    "purescript-assert": "master",
+    "purescript-console": "master",
+    "purescript-foldable-traversable": "master"
   }
 }
diff --git a/package.json b/package.json
index 20b50e9..7c23052 100644
--- a/package.json
+++ b/package.json
@@ -8,8 +8,8 @@
   },
   "devDependencies": {
     "eslint": "^7.15.0",
-    "pulp": "^15.0.0",
-    "purescript-psa": "^0.8.0",
+    "pulp": "16.0.0-0",
+    "purescript-psa": "^0.8.2",
     "rimraf": "^3.0.2"
   }
 }
diff --git a/src/Node/Buffer/Immutable.js b/src/Node/Buffer/Immutable.js
index f962257..48517b7 100644
--- a/src/Node/Buffer/Immutable.js
+++ b/src/Node/Buffer/Immutable.js
@@ -1,100 +1,99 @@
 /* global Buffer */
-"use strict";
+import { inspect } from "util";
+export const showImpl = inspect;
 
-exports.showImpl = require("util").inspect;
-
-exports.eqImpl = function (a) {
-  return function (b) {
+export function eqImpl(a) {
+  return b => {
     return a.equals(b);
   };
-};
+}
 
-exports.compareImpl = function (a) {
-  return function (b) {
+export function compareImpl(a) {
+  return b => {
     return a.compare(b);
   };
-};
+}
 
-exports.create = function (size) {
+export function create(size) {
   return Buffer.alloc(size);
-};
+}
 
-exports.fromArray = function (octets) {
+export function fromArray(octets) {
   return Buffer.from(octets);
-};
+}
 
-exports.size = function (buff) {
+export function size(buff) {
   return buff.length;
-};
+}
 
-exports.toArray = function (buff) {
+export function toArray(buff) {
   var json = buff.toJSON();
   return json.data || json;
-};
+}
 
-exports.toArrayBuffer = function (buff) {
+export function toArrayBuffer(buff) {
   return buff.buffer.slice(buff.byteOffset, buff.byteOffset + buff.byteLength);
-};
+}
 
-exports.fromArrayBuffer = function (ab) {
+export function fromArrayBuffer(ab) {
   return Buffer.from(ab);
-};
+}
 
-exports.fromStringImpl = function (str) {
-  return function (encoding) {
+export function fromStringImpl(str) {
+  return encoding => {
     return Buffer.from(str, encoding);
   };
-};
+}
 
-exports.readImpl = function (ty) {
-  return function (offset) {
-    return function (buf) {
+export function readImpl(ty) {
+  return offset => {
+    return buf => {
       return buf["read" + ty](offset);
     };
   };
-};
+}
 
-exports.readStringImpl = function (enc) {
-  return function (start) {
-    return function (end) {
-      return function (buff) {
+export function readStringImpl(enc) {
+  return start => {
+    return end => {
+      return buff => {
         return buff.toString(enc, start, end);
       };
     };
   };
-};
+}
 
-exports.getAtOffsetImpl = function (just) {
-  return function (nothing) {
-    return function (offset) {
-      return function (buff) {
+export function getAtOffsetImpl(just) {
+  return nothing => {
+    return offset => {
+      return buff => {
         var octet = buff[offset];
         return octet == null ? nothing : just(octet);
       };
     };
   };
-};
+}
 
-exports.toStringImpl = function (enc) {
-  return function (buff) {
+export function toStringImpl(enc) {
+  return buff => {
     return buff.toString(enc);
   };
-};
+}
 
-exports.slice = function (start) {
-  return function (end) {
-    return function (buff) {
+export function slice(start) {
+  return end => {
+    return buff => {
       return buff.slice(start, end);
     };
   };
-};
+}
 
-exports.concat = function (buffs) {
+export function concat(buffs) {
   return Buffer.concat(buffs);
-};
+}
 
-exports.concatToLength = function (buffs) {
-  return function (totalLength) {
+export function concatToLength(buffs) {
+  return totalLength => {
     return Buffer.concat(buffs, totalLength);
   };
-};
+}
diff --git a/src/Node/Buffer/Internal.js b/src/Node/Buffer/Internal.js
index 74a0a9c..2af2886 100644
--- a/src/Node/Buffer/Internal.js
+++ b/src/Node/Buffer/Internal.js
@@ -1,70 +1,68 @@
 /* global Buffer */
-"use strict";
-
-exports.copyAll = function (a) {
-  return function () {
+export function copyAll(a) {
+  return () => {
     return Buffer.from(a);
   };
-};
+}
 
-exports.writeInternal = function (ty) {
-  return function (value) {
-    return function (offset) {
-      return function (buf) {
-        return function () {
+export function writeInternal(ty) {
+  return value => {
+    return offset => {
+      return buf => {
+        return () => {
           buf["write" + ty](value, offset);
         };
       };
     };
   };
-};
+}
 
-exports.writeStringInternal = function (encoding) {
-  return function (offset) {
-    return function (length) {
-      return function (value) {
-        return function (buff) {
-          return function () {
+export function writeStringInternal(encoding) {
+  return offset => {
+    return length => {
+      return value => {
+        return buff => {
+          return () => {
             return buff.write(value, offset, length, encoding);
           };
         };
       };
     };
   };
-};
+}
 
-exports.setAtOffset = function (value) {
-  return function (offset) {
-    return function (buff) {
-      return function () {
+export function setAtOffset(value) {
+  return offset => {
+    return buff => {
+      return () => {
         buff[offset] = value;
       };
     };
   };
-};
+}
 
-exports.copy = function (srcStart) {
-  return function (srcEnd) {
-    return function (src) {
-      return function (targStart) {
-        return function (targ) {
-          return function () {
+export function copy(srcStart) {
+  return srcEnd => {
+    return src => {
+      return targStart => {
+        return targ => {
+          return () => {
             return src.copy(targ, targStart, srcStart, srcEnd);
           };
         };
       };
     };
   };
-};
+}
 
-exports.fill = function (octet) {
-  return function (start) {
-    return function (end) {
-      return function (buf) {
-        return function () {
+export function fill(octet) {
+  return start => {
+    return end => {
+      return buf => {
+        return () => {
           buf.fill(octet, start, end);
         };
       };
     };
   };
-};
+}
diff --git a/src/Node/Encoding.js b/src/Node/Encoding.js
index aaa2166..608e31d 100644
--- a/src/Node/Encoding.js
+++ b/src/Node/Encoding.js
@@ -1,8 +1,6 @@
 /* global Buffer */
-"use strict";
-
-exports.byteLengthImpl = function (str) {
-  return function (enc) {
+export function byteLengthImpl(str) {
+  return enc => {
     return Buffer.byteLength(str, enc);
   };
-};
+}