diff --git a/templates/kobo-deployments/envfiles/databases.txt.tpl b/templates/kobo-deployments/envfiles/databases.txt.tpl
index 1880fc2..3c9ef97 100644
--- a/templates/kobo-deployments/envfiles/databases.txt.tpl
+++ b/templates/kobo-deployments/envfiles/databases.txt.tpl
@@ -50,4 +50,5 @@ ${USE_BACKUP}POSTGRES_BACKUP_SCHEDULE=${POSTGRES_BACKUP_SCHEDULE}
 ${USE_BACKUP}REDIS_BACKUP_SCHEDULE=${REDIS_BACKUP_SCHEDULE}
 
 REDIS_SESSION_URL=redis://:${REDIS_PASSWORD_URL_ENCODED}@redis-cache.${PRIVATE_DOMAIN_NAME}:${REDIS_CACHE_PORT}/2
+REDIS_LOCK_URL=redis://:${REDIS_PASSWORD_URL_ENCODED}@redis-cache.${PRIVATE_DOMAIN_NAME}:${REDIS_CACHE_PORT}/3
 REDIS_PASSWORD=${REDIS_PASSWORD}