diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 063845e..7619724 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,21 +13,18 @@ jobs:
       - uses: actions/checkout@v2
 
       - uses: purescript-contrib/setup-purescript@main
+        with:
+          purescript: "0.14.0-rc3"
 
       - uses: actions/setup-node@v1
         with:
           node-version: "10"
 
-      - name: Install dependencies
-        run: |
-          npm install -g bower
-          npm install
-          bower install --production
+      - name: Install NPM dependencies
+        run: npm install
 
       - name: Build source
         run: npm run-script build
 
       - name: Run tests
-        run: |
-          bower install
-          npm run-script test --if-present
+        run: npm run-script test --if-present
diff --git a/bower.json b/bower.json
index b521de2..d1f3d88 100644
--- a/bower.json
+++ b/bower.json
@@ -15,9 +15,9 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-js-date": "6",
-    "purescript-web-dom": "2 - 4",
-    "purescript-web-file": "2",
-    "purescript-web-storage": "3"
+    "purescript-js-date": "master",
+    "purescript-web-dom": "master",
+    "purescript-web-file": "master",
+    "purescript-web-storage": "master"
   }
 }
diff --git a/package.json b/package.json
index 02e36ea..8ae99e2 100644
--- a/package.json
+++ b/package.json
@@ -1,13 +1,9 @@
 {
   "private": true,
   "scripts": {
-    "clean": "rimraf output && rimraf .pulp-cache",
-    "build": "eslint src && pulp build -- --censor-lib --strict"
+    "build": "eslint src && spago build --purs-args '--censor-lib --strict'"
   },
   "devDependencies": {
-    "eslint": "^4.19.1",
-    "pulp": "^12.2.0",
-    "purescript-psa": "^0.6.0",
-    "rimraf": "^2.6.2"
+    "eslint": "^7.6.0"
   }
 }
diff --git a/packages.dhall b/packages.dhall
new file mode 100644
index 0000000..5027336
--- /dev/null
+++ b/packages.dhall
@@ -0,0 +1,4 @@
+let upstream =
+    https://raw.githubusercontent.com/purescript/package-sets/prepare-0.14/src/packages.dhall
+
+in  upstream
diff --git a/spago.dhall b/spago.dhall
new file mode 100644
index 0000000..b0ea8e6
--- /dev/null
+++ b/spago.dhall
@@ -0,0 +1,11 @@
+{ name = "web-html"
+, dependencies =
+  [ "js-date"
+  , "psci-support"
+  , "web-dom"
+  , "web-file"
+  , "web-storage"
+  ]
+, packages = ./packages.dhall
+, sources = [ "src/**/*.purs" ]
+}
diff --git a/src/Web/HTML.js b/src/Web/HTML.js
index 90d68be..b24a3e4 100644
--- a/src/Web/HTML.js
+++ b/src/Web/HTML.js
@@ -1,4 +1,3 @@
-/* global window */
 "use strict";
 
 exports.window = function () {
diff --git a/src/Web/HTML/HTMLImageElement.js b/src/Web/HTML/HTMLImageElement.js
index ef9c36b..9640906 100644
--- a/src/Web/HTML/HTMLImageElement.js
+++ b/src/Web/HTML/HTMLImageElement.js
@@ -1,4 +1,3 @@
-/* global Image */
 "use strict";
 
 exports.create = function () {