diff --git a/flake.nix b/flake.nix
index 3390145..717505c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,7 +3,7 @@
 
   inputs = {
     nixpkgs = {
-      url = "github:NixOS/nixpkgs/nixos-23.11";
+      url = "github:NixOS/nixpkgs/nixos-24.05";
     };
     flake-utils = {
       url = "github:numtide/flake-utils";
@@ -569,12 +569,13 @@
 
               systemd.services.postgresql = let
                 hbaFile = pkgs.writeTextDir "pg_hba.conf" ''
-                  local     all         all     ident map=default
-                  hostnossl all         all all reject
-                  hostssl   all         all all scram-sha-256
-                  local     replication all     ident map=default
-                  hostnossl replication all all reject
-                  hostssl   replication all all scram-sha-256
+                  local     all         all               ident map=default
+                  hostnossl all         all 100.64.0.0/16 scram-sha-256
+                  hostnossl all         all all           reject
+                  hostssl   all         all all           scram-sha-256
+                  local     replication all               ident map=default
+                  hostnossl replication all all           reject
+                  hostssl   replication all all           scram-sha-256
                 '';
                 identFile = pkgs.writeTextDir "pg_ident.conf" (
                   ''