diff --git a/.eslintrc.json b/.eslintrc.json
deleted file mode 100644
index 9d6a62b..0000000
--- a/.eslintrc.json
+++ /dev/null
@@ -1,28 +0,0 @@
-{
-  "extends": "eslint:recommended",
-  "parserOptions": { "ecmaVersion": 6, "sourceType": "module" },
-  "rules": {
-    "block-scoped-var": "error",
-    "consistent-return": "error",
-    "eqeqeq": "error",
-    "guard-for-in": "error",
-    "no-bitwise": "error",
-    "no-caller": "error",
-    "no-extra-parens": "off",
-    "no-extend-native": "error",
-    "no-loop-func": "error",
-    "no-new": "error",
-    "no-param-reassign": "error",
-    "no-return-assign": "error",
-    "no-sequences": "error",
-    "no-unused-expressions": "error",
-    "no-use-before-define": "error",
-    "no-undef": "error",
-    "no-eq-null": "error",
-    "radix": ["error", "always"],
-    "indent": ["error", 2, { "SwitchCase": 1 }],
-    "quotes": ["error", "double"],
-    "semi": ["error", "always"],
-    "strict": ["error", "global"]
-  }
-}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fc54710..89cbf03 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,37 +9,36 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
-      - name: Set up PureScript toolchain
+      - name: Set up a PureScript toolchain
         uses: purescript-contrib/setup-purescript@main
         with:
-          purescript: "unstable"
+          purescript: "latest"
           purs-tidy: "latest"
+          spago: "unstable"
 
       - name: Cache PureScript dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
-          key: ${{ runner.os }}-spago-${{ hashFiles('**/*.dhall') }}
+          key: ${{ runner.os }}-spago-${{ hashFiles('**/spago.lock') }}
           path: |
             .spago
             output
 
-      - name: Set up Node toolchain
-        uses: actions/setup-node@v2
-        with:
-          node-version: "14.x"
+      - name: Setup node and npm
+        uses: actions/setup-node@v4
 
       - name: Cache NPM dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         env:
           cache-name: cache-node-modules
         with:
           path: ~/.npm
-          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package.json') }}
+          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}-${{ hashFiles('**/package.json') }}
           restore-keys: |
+            ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}-
             ${{ runner.os }}-build-${{ env.cache-name }}-
             ${{ runner.os }}-build-
             ${{ runner.os }}-
@@ -47,20 +46,11 @@ jobs:
       - name: Install NPM dependencies
         run: npm install
 
-      - name: Build the project
-        run: npm run build
+      - name: Build source
+        run: spago build --censor-stats --strict --ensure-ranges --pedantic-packages
 
       - name: Run tests
-        run: npm run test
+        run: spago test --offline --censor-stats --strict --pedantic-packages
 
-      - name: Check formatting
+      - name: Verify 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/bower.json b/bower.json
deleted file mode 100644
index 6709f7a..0000000
--- a/bower.json
+++ /dev/null
@@ -1,31 +0,0 @@
-{
-  "name": "purescript-react",
-  "homepage": "https://github.com/purescript-contrib/purescript-react",
-  "description": "PureScript bindings for react",
-  "main": "",
-  "keywords": [
-    "purescript",
-    "react"
-  ],
-  "license": "MIT",
-  "ignore": [
-    "*",
-    "!src/**/*"
-  ],
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/purescript-contrib/purescript-react.git"
-  },
-  "dependencies": {
-    "purescript-effect": "^4.0.0",
-    "purescript-exceptions": "^6.0.0",
-    "purescript-maybe": "^6.0.0",
-    "purescript-nullable": "^6.0.0",
-    "purescript-prelude": "^6.0.0",
-    "purescript-typelevel-prelude": "^7.0.0",
-    "purescript-unsafe-coerce": "^6.0.0"
-  },
-  "devDependencies": {
-    "purescript-console": "^6.0.0"
-  }
-}
diff --git a/eslint.config.mjs b/eslint.config.mjs
new file mode 100644
index 0000000..1baba1b
--- /dev/null
+++ b/eslint.config.mjs
@@ -0,0 +1,11 @@
+import globals from "globals";
+import pluginJs from "@eslint/js";
+import pluginReact from "eslint-plugin-react";
+
+
+export default [
+  {files: ["**/*.{js,mjs,cjs,jsx}"]},
+  {languageOptions: { globals: globals.browser }},
+  pluginJs.configs.recommended,
+  pluginReact.configs.flat.recommended,
+];
\ No newline at end of file
diff --git a/package.json b/package.json
index 5617636..7bec000 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,10 @@
 {
   "private": true,
   "scripts": {
-    "build": "spago build --purs-args '--censor-lib --strict'",
-    "test": "spago test --no-install"
+    "build": "spago build --censor-stats --strict --ensure-ranges --pedantic-packages",
+    "test": "spago test --offline"
   },
   "devDependencies": {
-    "eslint": "^7.10.0",
-    "purescript-psa": "^0.8.2"
+    "eslint": "^9.12.0"
   }
 }
diff --git a/packages.dhall b/packages.dhall
deleted file mode 100644
index bc9c4ee..0000000
--- a/packages.dhall
+++ /dev/null
@@ -1,5 +0,0 @@
-let upstream =
-      https://github.com/purescript/package-sets/releases/download/psc-0.15.4-20221208/packages.dhall
-        sha256:e3549e48d0170e14838d8f0c44172253947dcb6117b51a763f33dca34f00ba43
-
-in  upstream
diff --git a/spago.dhall b/spago.dhall
deleted file mode 100644
index 0119ab6..0000000
--- a/spago.dhall
+++ /dev/null
@@ -1,14 +0,0 @@
-{ name = "react"
-, dependencies =
-  [ "console"
-  , "effect"
-  , "exceptions"
-  , "maybe"
-  , "nullable"
-  , "prelude"
-  , "typelevel-prelude"
-  , "unsafe-coerce"
-  ]
-, packages = ./packages.dhall
-, sources = [ "src/**/*.purs", "test/**/*.purs" ]
-}
diff --git a/spago.yaml b/spago.yaml
new file mode 100644
index 0000000..7fb200d
--- /dev/null
+++ b/spago.yaml
@@ -0,0 +1,22 @@
+package:
+  name: react
+  description: PureScript bindings for react
+  publish:
+    license: MIT
+    version: 12.0.0
+    location:
+      githubOwner: purescript-contrib
+      githubRepo: purescript-react
+  dependencies:
+    - effect: ">=4.0.0 <5.0.0"
+    - exceptions: ">=6.1.0 <7.0.0"
+    - maybe: ">=6.0.0 <7.0.0"
+    - nullable: ">=6.0.0 <7.0.0"
+    - prelude: ">=6.0.1 <7.0.0"
+    - typelevel-prelude: ">=7.0.0 <8.0.0"
+    - unsafe-coerce: ">=6.0.0 <7.0.0"
+  test:
+    main: Test.Main
+    dependencies:
+      - console
+workspace: {}
diff --git a/test/Main.purs b/test/Test/Main.purs
similarity index 100%
rename from test/Main.purs
rename to test/Test/Main.purs