diff --git a/nodes/rx300.py b/nodes/rx300.py
index 861fd83..f5e1c71 100644
--- a/nodes/rx300.py
+++ b/nodes/rx300.py
@@ -448,6 +448,7 @@ nodes['rx300'] = {
         },
         'postgresql': {
             'version': '13',
+            'max_connections': 500,
         },
         'radicale': {
             'domain': 'radicale.franzi.business',