diff --git a/.taskcluster.yml b/.taskcluster.yml
index f2b8afeef2f8..38aa11b9482c 100644
--- a/.taskcluster.yml
+++ b/.taskcluster.yml
@@ -16,7 +16,7 @@ tasks:
           - pull_request.reopened
           - pull_request.synchronize
     payload:
-      maxRunTime: 3600
+      maxRunTime: 7200
       image: 'servobrowser/servo-linux-dev:servo-linux-build-deps-2017-06-30'
       command:
         - /bin/bash