diff --git a/.eslintrc.json b/.eslintrc.json
index d7cf0c8..839784c 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -1,7 +1,7 @@
 {
-  "env": { "browser": true, "commonjs": true },
+  "env": { "browser": true },
   "extends": "eslint:recommended",
-  "parserOptions": { "ecmaVersion": 5 },
+  "parserOptions": { "ecmaVersion": 6, "sourceType": "module" },
   "rules": {
     "block-scoped-var": "error",
     "consistent-return": "error",
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 43f9f20..e16f413 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,6 +16,7 @@ jobs:
       - name: Set up PureScript toolchain
         uses: purescript-contrib/setup-purescript@main
         with:
+          purescript: "unstable"
           purs-tidy: "latest"
 
       - name: Cache PureScript dependencies
@@ -49,8 +50,17 @@ jobs:
       - name: Build the project
         run: npm run build
 
-      - name: Run tests
-        run: npm run test
+#      - name: Run tests
+#        run: npm run test
 
       - name: Check formatting
         run: purs-tidy check src test
+
+      - name: Verify Bower & Pulp
+        run: |
+          npm install bower pulp@16.0.0-0
+          npx bower install
+          npx pulp build -- --censor-lib --strict
+          if [ -d "test" ]; then
+            npx pulp test
+          fi
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ab4af48..678bfc4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ Notable changes to this project are documented in this file. The format is based
 ## [Unreleased]
 
 Breaking changes:
+- Update project and deps to PureScript v0.15.0 (#11 by @JordanMartinez)
 
 New features:
 
diff --git a/bower.json b/bower.json
index e2656d0..5e881a8 100644
--- a/bower.json
+++ b/bower.json
@@ -14,11 +14,11 @@
     "output"
   ],
   "dependencies": {
-    "purescript-functions": "^5.0.0",
-    "purescript-maybe": "^5.0.0"
+    "purescript-functions": "master",
+    "purescript-maybe": "master"
   },
   "devDependencies": {
-    "purescript-assert": "^5.0.0",
-    "purescript-effect": "^3.0.0"
+    "purescript-assert": "master",
+    "purescript-effect": "master"
   }
 }
diff --git a/packages.dhall b/packages.dhall
index 7a6905b..582d6d3 100644
--- a/packages.dhall
+++ b/packages.dhall
@@ -1,4 +1,4 @@
 let upstream =
-      https://github.com/purescript/package-sets/releases/download/psc-0.14.3-20210722/packages.dhall sha256:1ceb43aa59436bf5601bac45f6f3781c4e1f0e4c2b8458105b018e5ed8c30f8c
+      https://raw.githubusercontent.com/purescript/package-sets/prepare-0.15/src/packages.dhall
 
 in  upstream
diff --git a/src/JSURI.js b/src/JSURI.js
index 8c7cd6b..80f96ab 100644
--- a/src/JSURI.js
+++ b/src/JSURI.js
@@ -1,5 +1,3 @@
-"use strict";
-
 // A helper which transforms the result ofencodeURIComponent to be compliant
 // with RFC3896, as described in the MDN documentation here:
 //
@@ -10,7 +8,7 @@ function toRFC3896(input) {
   });
 }
 
-exports._encodeURIComponent = function encode(fail, succeed, input) {
+export const _encodeURIComponent = function encode(fail, succeed, input) {
   try {
     return succeed(toRFC3896(encodeURIComponent(input)));
   } catch (err) {
@@ -18,7 +16,7 @@ exports._encodeURIComponent = function encode(fail, succeed, input) {
   }
 };
 
-exports._encodeFormURLComponent = function encode(fail, succeed, input) {
+export const _encodeFormURLComponent = function encode(fail, succeed, input) {
   try {
     return succeed(toRFC3896(encodeURIComponent(input)).replace(/%20/g, "+"));
   } catch (err) {
@@ -34,8 +32,8 @@ function _decodeURIComponent(fail, succeed, input) {
   }
 }
 
-exports._decodeURIComponent = _decodeURIComponent;
+export {_decodeURIComponent};
 
-exports._decodeFormURLComponent = function encode(fail, succeed, input) {
+export const _decodeFormURLComponent = function encode(fail, succeed, input) {
   return _decodeURIComponent(fail, succeed, input.replace(/\+/g, " "));
 };