diff --git a/package-lock.json b/package-lock.json
index 766a4bc..f07e30c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2510,35 +2510,8 @@
       "version": "0.1.3",
       "license": "MIT",
       "devDependencies": {
-        "@rollup/plugin-replace": "5.0.2",
-        "@rollup/plugin-terser": "0.4.3",
-        "@rollup/plugin-typescript": "11.1.3",
-        "rollup": "3.28.1",
-        "tslib": "2.6.2",
-        "typescript": "5.2.2"
+        "tsup": "7.2.0"
       }
-    },
-    "packages/web/node_modules/rollup": {
-      "version": "3.28.1",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-3.28.1.tgz",
-      "integrity": "sha512-R9OMQmIHJm9znrU3m3cpE8uhN0fGdXiawME7aZIpQqvpS/85+Vt1Hq1/yVIcYfOmaQiHjvXkQAoJukvLpau6Yw==",
-      "dev": true,
-      "bin": {
-        "rollup": "dist/bin/rollup"
-      },
-      "engines": {
-        "node": ">=14.18.0",
-        "npm": ">=8.0.0"
-      },
-      "optionalDependencies": {
-        "fsevents": "~2.3.2"
-      }
-    },
-    "packages/web/node_modules/tslib": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
-      "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q==",
-      "dev": true
     }
   }
 }
diff --git a/packages/web/package.json b/packages/web/package.json
index 2da99ec..cef6a0b 100644
--- a/packages/web/package.json
+++ b/packages/web/package.json
@@ -3,13 +3,13 @@
   "version": "0.1.3",
   "type": "module",
   "description": "JavaScript SDK for Aptabase: Open Source, Privacy-First and Simple Analytics for Mobile, Desktop and Web Apps",
-  "main": "./dist/index.js",
-  "module": "./dist/index.mjs",
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "exports": {
     ".": {
-      "require": "./dist/index.js",
-      "import": "./dist/index.mjs",
+      "require": "./dist/index.cjs",
+      "import": "./dist/index.js",
       "types": "./dist/index.d.ts"
     }
   },
@@ -24,10 +24,7 @@
   "homepage": "https://github.com/aptabase/aptabase-js",
   "license": "MIT",
   "scripts": {
-    "build": "rollup -c ./rollup.config.mjs",
-    "watch": "rollup -c ./rollup.config.mjs -w",
-    "prepublishOnly": "npm run build",
-    "pretest": "npm run build"
+    "build": "tsup"
   },
   "files": [
     "README.md",
@@ -36,11 +33,6 @@
     "package.json"
   ],
   "devDependencies": {
-    "@rollup/plugin-replace": "5.0.2",
-    "@rollup/plugin-typescript": "11.1.3",
-    "rollup": "3.28.1",
-    "@rollup/plugin-terser": "0.4.3",
-    "tslib": "2.6.2",
-    "typescript": "5.2.2"
+    "tsup": "7.2.0"
   }
 }
diff --git a/packages/web/rollup.config.mjs b/packages/web/rollup.config.mjs
deleted file mode 100644
index b466a96..0000000
--- a/packages/web/rollup.config.mjs
+++ /dev/null
@@ -1,38 +0,0 @@
-import replace from '@rollup/plugin-replace';
-import terser from '@rollup/plugin-terser';
-import typescript from '@rollup/plugin-typescript';
-import pkg from './package.json' assert { type: 'json' };
-
-const plugins = [
-  terser(),
-  replace({
-    'env.PKG_VERSION': pkg.version,
-    preventAssignment: true,
-  }),
-  typescript({
-    tsconfig: './tsconfig.json',
-    moduleResolution: 'node',
-  }),
-];
-
-const cjs = {
-  input: './src/index.ts',
-  output: {
-    dir: './dist',
-    entryFileNames: '[name].js',
-    format: 'cjs',
-  },
-  plugins,
-};
-
-const es = {
-  input: './src/index.ts',
-  output: {
-    dir: './dist',
-    entryFileNames: '[name].mjs',
-    format: 'es',
-  },
-  plugins,
-};
-
-export default [cjs, es];
diff --git a/packages/web/tsconfig.json b/packages/web/tsconfig.json
index 0f249c6..850a3d7 100644
--- a/packages/web/tsconfig.json
+++ b/packages/web/tsconfig.json
@@ -1,15 +1,15 @@
 {
   "compilerOptions": {
-    "target": "ES5",
+    "target": "es6",
     "strict": true,
+    "moduleResolution": "node",
     "esModuleInterop": true,
+    "jsx": "react-jsx",
     "baseUrl": ".",
     "paths": {
       "types": ["@types"]
     },
     "declaration": true,
-    "declarationDir": "./dist",
-    "rootDir": "./src"
-  },
-  "include": ["./"]
+    "declarationDir": "./dist"
+  }
 }
diff --git a/packages/web/tsup.config.ts b/packages/web/tsup.config.ts
new file mode 100644
index 0000000..f424baa
--- /dev/null
+++ b/packages/web/tsup.config.ts
@@ -0,0 +1,10 @@
+import { defineConfig } from 'tsup';
+
+export default defineConfig({
+  entry: ['src/index.ts'],
+  format: ['cjs', 'esm'],
+  dts: true,
+  splitting: false,
+  sourcemap: true,
+  clean: true,
+});