diff --git a/packages/rstack/test/helpers/cli.ts b/packages/rstack/test/helpers/cli.ts
index 61820f5..ac13e6b 100644
--- a/packages/rstack/test/helpers/cli.ts
+++ b/packages/rstack/test/helpers/cli.ts
@@ -26,6 +26,7 @@ export const execCli: ExecCli = (command, options = {}) => {
 
   try {
     const output = execSync(`${RSTACK_BIN_PATH} ${command}`, {
+      stdio: 'pipe',
       ...execOptions,
       env: {
         ...process.env,