diff --git a/stack.production.yml b/stack.production.yml
index 0644130..903e151 100644
--- a/stack.production.yml
+++ b/stack.production.yml
@@ -19,6 +19,7 @@ services:
       SMTP_PORT: "465"
       SMTP_USERNAME: "asciinema@nixc.us"
       SMTP_PASSWORD: "DiHcwSup8RSo66LgEzGi7R4PBWsDyFgxn"
+      UNCLAIMED_RECORDING_TTL: "30"
     volumes:
       - /mnt/tank/persist/nixc.us/asciinema/production/data:/var/opt/asciinema
     deploy: