diff --git a/hosts/bicep/services/postgres.nix b/hosts/bicep/services/postgres.nix
index 1df8ab4..46fd9f8 100644
--- a/hosts/bicep/services/postgres.nix
+++ b/hosts/bicep/services/postgres.nix
@@ -5,7 +5,7 @@ in
 {
   services.postgresql = {
     enable = true;
-    package = pkgs.postgresql_15;
+    package = pkgs.postgresql_18;
     enableTCPIP = true;
 
     authentication = ''