diff --git a/modules/openstack_project/manifests/gerrit.pp b/modules/openstack_project/manifests/gerrit.pp
index c31ed36d20..ae94e2cdc6 100644
--- a/modules/openstack_project/manifests/gerrit.pp
+++ b/modules/openstack_project/manifests/gerrit.pp
@@ -460,7 +460,7 @@ class openstack_project::gerrit (
     if ($testmode == false) {
       exec { 'manage_projects':
         command     => '/usr/local/bin/manage-projects -v -l /var/log/manage_projects.log',
-        timeout     => 900, # 15 minutes
+        timeout     => 1800, # 30 minutes
         subscribe   => [
             File['/home/gerrit2/projects.yaml'],
             File['/home/gerrit2/acls'],