diff --git a/bin/rss.js b/bin/rss.js
index 350c926..6c992fe 100755
--- a/bin/rss.js
+++ b/bin/rss.js
@@ -41,4 +41,5 @@ const cli = meow(
 
 const cmd = cli.input[0] || process.env.npm_lifecycle_event
 
-run(cmd, args, cli.flags)
+const exitCode = await run(cmd, args, cli.flags)
+process.exitCode = exitCode
diff --git a/example/package.json b/example/package.json
index 6c82b8a..b82cbe7 100644
--- a/example/package.json
+++ b/example/package.json
@@ -19,6 +19,12 @@
     "test": {
       "file": "./scripts/test.js"
     },
+    "test-success": {
+      "file": "./scripts/test-success.js"
+    },
+    "test-failure": {
+      "file": "./scripts/test-failure.js"
+    },
     "pretest": "run-s -s clean:coverage",
     "start:1": "server --port {1}",
     "start:2": "server -a {1} --port {2}",
diff --git a/example/scripts/test-failure.js b/example/scripts/test-failure.js
new file mode 100755
index 0000000..c7005e9
--- /dev/null
+++ b/example/scripts/test-failure.js
@@ -0,0 +1,4 @@
+#!/usr/bin/env node
+
+console.log('test-failure: exiting with code 42')
+process.exit(42)
diff --git a/example/scripts/test-success.js b/example/scripts/test-success.js
new file mode 100755
index 0000000..e6bdc87
--- /dev/null
+++ b/example/scripts/test-success.js
@@ -0,0 +1,4 @@
+#!/usr/bin/env node
+
+console.log('test-success: exiting with code 0')
+process.exit(0)
diff --git a/lib/index.js b/lib/index.js
index fd52ece..a58acc1 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -131,13 +131,20 @@ export async function run(task, args, options) {
         ? fixFilePath(root, main)
         : await makeExecFile(root, task, main)
 
-      const child = spawn(exe, isFile ? args : [], { stdio: 'inherit' })
-
-      if (!isFile) {
-        child.on('exit', () => { fse.rm(exe) })
-      }
+      return new Promise((resolve) => {
+        const child = spawn(exe, isFile ? args : [], { stdio: 'inherit' })
+
+        child.on('exit', (code) => {
+          if (!isFile) {
+            fse.rm(exe)
+          }
+          resolve(code ?? 0)
+        })
+      })
     }
-  } else {
-    console.error(`unknown script: [${task}]`)
+    return 0
   }
+
+  console.error(`unknown script: [${task}]`)
+  return 1
 }