diff --git a/docker-compose.yml b/docker-compose.yml
index f0ec775e6..0a0455fc3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -33,6 +33,8 @@ services:
       - public_packs:/app/public/packs
       - post_data:/app/public/data
       - ./docker/cron_tasks/daily:/etc/periodic/daily
+    tmpfs:
+      - /app/tmp/pids
     environment:
       <<: *common-env
       RAILS_ENV: development