diff --git a/.eslintrc.json b/.eslintrc.json
deleted file mode 100644
index 240b092..0000000
--- a/.eslintrc.json
+++ /dev/null
@@ -1,29 +0,0 @@
-{
-  "env": { "browser": true },
-  "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..d8bb367 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,16 +11,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Set up PureScript toolchain
         uses: purescript-contrib/setup-purescript@main
         with:
-          purescript: "unstable"
+          purescript: "latest"
           purs-tidy: "latest"
+          spago: "latest"
 
       - name: Cache PureScript dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           key: ${{ runner.os }}-spago-${{ hashFiles('**/*.dhall') }}
           path: |
@@ -30,10 +31,10 @@ jobs:
       - name: Set up Node toolchain
         uses: actions/setup-node@v2
         with:
-          node-version: "14.x"
+          node-version: "20.x"
 
       - name: Cache NPM dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         env:
           cache-name: cache-node-modules
         with:
@@ -58,9 +59,5 @@ jobs:
 
       - name: Verify Bower & Pulp
         run: |
-          npm install bower pulp@16.0.0-0
+          npm install bower
           npx bower install
-          npx pulp build -- --censor-lib --strict
-          if [ -d "test" ]; then
-            npx pulp test
-          fi
diff --git a/.gitignore b/.gitignore
index 6a45203..c94f7a0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 .*
+!.npmrc
 !.gitignore
 !.github
 !.editorconfig
diff --git a/.npmrc b/.npmrc
new file mode 100644
index 0000000..43c97e7
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1 @@
+package-lock=false
diff --git a/bower.json b/bower.json
index cf174fa..6a02c81 100644
--- a/bower.json
+++ b/bower.json
@@ -23,7 +23,7 @@
     "tests"
   ],
   "dependencies": {
-    "purescript-aff": "^7.0.0",
+    "purescript-aff": ">=7.0.0 <9.0.0",
     "purescript-effect": "^4.0.0",
     "purescript-either": "^6.0.0",
     "purescript-exceptions": "^6.0.0",
diff --git a/eslint.config.mjs b/eslint.config.mjs
new file mode 100644
index 0000000..8dabd3e
--- /dev/null
+++ b/eslint.config.mjs
@@ -0,0 +1,53 @@
+import globals from "globals";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import js from "@eslint/js";
+import { FlatCompat } from "@eslint/eslintrc";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all
+});
+
+export default [...compat.extends("eslint:recommended"), {
+    languageOptions: {
+        globals: {
+            ...globals.browser,
+        },
+
+        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"],
+    },
+}];
\ No newline at end of file
diff --git a/package.json b/package.json
index 0c27072..f56a9ef 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,9 @@
     "test": "spago test --no-install"
   },
   "devDependencies": {
-    "eslint": "^7.6.0",
-    "purescript-psa": "^0.8.2"
+    "eslint": "^9.20.0",
+    "purescript": "^0.15.15",
+    "purescript-psa": "^0.9.0",
+    "spago": "^0.21.0"
   }
 }
diff --git a/packages.dhall b/packages.dhall
index 582d6d3..4ecfd18 100644
--- a/packages.dhall
+++ b/packages.dhall
@@ -1,4 +1,5 @@
 let upstream =
-      https://raw.githubusercontent.com/purescript/package-sets/prepare-0.15/src/packages.dhall
+      https://github.com/purescript/package-sets/releases/download/psc-0.15.15-20250205/packages.dhall
+        sha256:442220ce62d4f9a353819b28db9a7295cca7acaae7d2fbe814e52c1b25a7a296
 
 in  upstream