diff --git a/Cargo.toml b/Cargo.toml
index 2f66e42..34240e8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,6 +26,9 @@ path = "src/main.rs"
 [dependencies.arrayref]
 version = "0.3.5"
 
+[dependencies.assert_cmd]
+version = "2.0.16"
+
 [dependencies.bao]
 version = "0.12"
 
diff --git a/tests/test.rs b/tests/test.rs
index f9427bd..48aabca 100644
--- a/tests/test.rs
+++ b/tests/test.rs
@@ -1,8 +1,7 @@
 use duct::cmd;
 use rand::prelude::*;
-use std::env::consts::EXE_EXTENSION;
 use std::fs;
-use std::path::{Path, PathBuf};
+use std::path::PathBuf;
 use std::sync::Once;
 use tempfile::tempdir;
 
@@ -15,10 +14,7 @@ pub fn bao_exe() -> PathBuf {
             .expect("build failed");
     });
 
-    Path::new("target")
-        .join("debug")
-        .join("bao")
-        .with_extension(EXE_EXTENSION)
+    assert_cmd::cargo::cargo_bin("bao")
 }
 
 #[test]