diff --git a/config/database.yml b/config/database.yml
index 13c7043..1853654 100644
--- a/config/database.yml
+++ b/config/database.yml
@@ -24,3 +24,4 @@ production:
   url: <%= ENV.fetch("POSTGRES_URL", nil) %>
   username: <%= ENV.fetch("POSTGRES_USERNAME", nil) %>
   password: <%= ENV.fetch("POSTGRES_PASSWORD", nil) %>
+  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>