diff --git a/hosts/mobilizon/default.nix b/hosts/mobilizon/default.nix
index 54daf7d3..66918ac4 100644
--- a/hosts/mobilizon/default.nix
+++ b/hosts/mobilizon/default.nix
@@ -6,8 +6,6 @@
 
   networking.hostName = "mobilizon";
 
-  services.postgresql.package = pkgs.postgresql_13;
-
   services.mobilizon = {
     enable = true;
     settings.":mobilizon".":instance" = {
@@ -42,5 +40,11 @@
     };
   };
 
+  services.postgresql = {
+    extraPlugins = with config.services.postgresql.package.pkgs; [ postgis ];
+    package = pkgs.postgresql_15;
+    upgrade.stopServices = [ "mobilizon" ];
+  };
+
   system.stateVersion = "22.05";
 }