diff --git a/drone_vars.yml.example b/drone_vars.yml.example
index 62f0d08..4e13b96 100644
--- a/drone_vars.yml.example
+++ b/drone_vars.yml.example
@@ -4,3 +4,4 @@ gitea_user: gitea
 gitea_url: https://gitea.url
 gitea_client_id: someID
 gitea_client_secret: someSecret
+drone_max_procs: 1
diff --git a/roles/drone/templates/etc/drone/docker-compose.yml.j2 b/roles/drone/templates/etc/drone/docker-compose.yml.j2
index 98822d0..2561650 100644
--- a/roles/drone/templates/etc/drone/docker-compose.yml.j2
+++ b/roles/drone/templates/etc/drone/docker-compose.yml.j2
@@ -20,6 +20,7 @@ services:
       - DRONE_GITEA_SERVER={{ gitea_url }}
       - DRONE_GITEA_CLIENT_ID={{ gitea_client_id }}
       - DRONE_GITEA_CLIENT_SECRET={{ gitea_client_secret }}
+      - DOCKER_MAX_PROCS={{ drone_max_procs }}
       - LC_ALL=C.UTF-8
       - LANG=C.UTF-8
   drone-runner: