diff --git a/src/main.js b/src/main.js
index 6e981cdf..36448f23 100644
--- a/src/main.js
+++ b/src/main.js
@@ -9,7 +9,7 @@ const path = require('path');
 
 async function run() {
   try {
-    await exec.exec('sudo apt-get install lcov');
+    await exec.exec('sudo apt-get install -y lcov');
 
     const tmpPath = path.resolve(os.tmpdir(), github.context.action);
     const coverageFilesPattern = core.getInput('coverage-files');
@@ -178,4 +178,4 @@ async function detail(coverageFile, octokit) {
   return '\n  ' + lines.join('\n  ');
 }
 
-run();
\ No newline at end of file
+run();