diff --git a/services/postgres.nix b/services/postgres.nix
index 1c083b2..98d526d 100644
--- a/services/postgres.nix
+++ b/services/postgres.nix
@@ -4,7 +4,7 @@
   services = {
     postgresql = {
       enable = true;
-      package = pkgs.postgresql_17;
+      package = pkgs.postgresql_16;
       enableJIT = true;
       initdbArgs = [
         "--locale=C"