diff --git a/services/postgres/default.nix b/services/postgres/default.nix
index 4f5985f..32e49a5 100644
--- a/services/postgres/default.nix
+++ b/services/postgres/default.nix
@@ -43,6 +43,10 @@ in {
       authentication = ''
         local hydra all ident map=hydra-users
       '';
+
+      settings = {
+        max_connections = 500;
+      };
     };
   };
 }