diff --git a/README.md b/README.md
index 3777974..75d4907 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,15 @@
 # action-setup-bun
-Setup GitHub Actions workflow with a specific version of Bun
+Setup GitHub Actions workflow with a specific version of Bun and adds `BUN_INSTALL` to the `$PATH`.
 
 ## Usage
 ```yaml
 - name: Setup Bun Runtime
-  uses: antongolub/action-setup-bun@v0
+  uses: antongolub/action-setup-bun@v1.x.x
   with:
     version: 0.1.2
+
+- name: Run script
+  run: bun index.js
 ```
 
 ## License
diff --git a/src/main/js/index.js b/src/main/js/index.js
deleted file mode 100644
index 6182183..0000000
--- a/src/main/js/index.js
+++ /dev/null
@@ -1,20 +0,0 @@
-const exec = require('@actions/exec')
-const path = require('path')
-
-const installSh = path.resolve(__dirname, '../../main/sh/install.sh')
-const setup = async (version) => {
-  const args = [installSh]
-  if (version) args.push(version)
-
-  const res = await exec.getExecOutput('bash', args, { ignoreReturnCode: true})
-
-  await exec.exec('echo "/home/runner/.bun/bin:" >> $GITHUB_PATH')
-
-  // if (res.stderr) throw res.stderr
-
-  // cp.execSync('exec bash')
-}
-
-module.exports = {
-  setup
-}
diff --git a/src/main/js/main.js b/src/main/js/main.js
index 8b98dbb..252f524 100644
--- a/src/main/js/main.js
+++ b/src/main/js/main.js
@@ -1,11 +1,23 @@
 const core = require('@actions/core')
-const {setup} = require('./index.js')
+const exec = require("@actions/exec");
+const path = require('path')
+
+const installSh = path.resolve(__dirname, '../../main/sh/install.sh')
+const setup = async (version) => {
+  const args = [installSh]
+  if (version) args.push(version)
+
+  const res = await exec.getExecOutput('bash', args, { ignoreReturnCode: true})
+
+  return /.+BUN_INSTALL="([^"]+)"/.match(res.stderr)[1]
+}
 
 async function main() {
   try {
     const version = core.getInput('version')
-    await setup(version)
+    const BUN_INSTALL = await setup(version)
 
+    core.addPath(path.join(BUN_INSTALL, 'bin'))
   } catch (e) {
     core.setOutput("error_message", e.message)
     core.setFailed(e.message)