diff --git a/server.js b/server.js
index fc2910d..cd00717 100644
--- a/server.js
+++ b/server.js
@@ -45,7 +45,7 @@ fastify.post(
       // TODO: healthcheck
       reply.status(200).send("fetched successfully");
       await execAsync(`git reset --hard origin/${branch}`);
-      await execAsync("npm run build");
+      await execAsync("yarn run build");
     } catch (error) {
       reply.status(500).send("Update failed");
     }