diff --git a/lib/workers/branch/yarn.js b/lib/workers/branch/yarn.js
index 5e4e5e5b7803eed5f957305f795c5fe581cf4c46..2772c20df18f85941c03ceda4b06f72d15791cca 100644
--- a/lib/workers/branch/yarn.js
+++ b/lib/workers/branch/yarn.js
@@ -28,7 +28,7 @@ async function generateLockFile(
       fs.writeFileSync(path.join(tmpDir.name, '.yarnrc'), yarnrcContent);
     }
     logger.debug('Spawning yarn install');
-    const yarnOptions = ['install'];
+    const yarnOptions = ['install', '--ignore-scripts'];
     if (cacheFolder && cacheFolder.length) {
       logger.debug(`Setting yarn cache folder to ${cacheFolder}`);
       yarnOptions.push(`--cache-folder ${cacheFolder}`);