diff --git a/flake.nix b/flake.nix
index 9b64988..74c9720 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,8 +3,11 @@
 
   inputs = {
     nixpkgs = {
-      url = "nixpkgs/nixos-unstable";
+      url = "nixpkgs/nixos-23-11";
     };
+    # nixpkgs-pgvectors = {
+    #   url = "github:diogotcorreia/nixpkgs/pgvecto.rs";
+    # };
     flake-utils = {
       url = "github:numtide/flake-utils";
     };
@@ -12,6 +15,7 @@
   outputs = {
     self,
     nixpkgs,
+    # nixpkgs-pgvectors,
     flake-utils,
     ...
   } @ inputs:
@@ -47,44 +51,44 @@
                   license = licenses.mit;
                 };
               };
-            pgvecto-rs = let
-              pname = "pgvecto.rs";
-              version = "0.1.11";
-              hashes = {
-                "15" = "sha256-IVx/LgRnGyvBRYvrrJatd7yboWEoSYSJogLaH5N/wPA=";
-              };
-              major = pkgs.lib.versions.major pkgs.postgresql_15.version;
-            in
-              pkgs.stdenv.mkDerivation {
-                inherit pname version;
+            #     pgvecto-rs = let
+            #       pname = "pgvecto.rs";
+            #       version = "0.1.11";
+            #       hashes = {
+            #         "15" = "sha256-IVx/LgRnGyvBRYvrrJatd7yboWEoSYSJogLaH5N/wPA=";
+            #       };
+            #       major = pkgs.lib.versions.major pkgs.postgresql_15.version;
+            #     in
+            #       pkgs.stdenv.mkDerivation {
+            #         inherit pname version;
 
-                buildInputs = [pkgs.dpkg];
+            #         buildInputs = [pkgs.dpkg];
 
-                src = pkgs.fetchurl {
-                  url = "https://github.com/tensorchord/pgvecto.rs/releases/download/v${version}/vectors-pg${major}-v${version}-x86_64-unknown-linux-gnu.deb";
-                  hash = hashes."${major}";
-                };
+            #         src = pkgs.fetchurl {
+            #           url = "https://github.com/tensorchord/pgvecto.rs/releases/download/v${version}/vectors-pg${major}-v${version}-x86_64-unknown-linux-gnu.deb";
+            #           hash = hashes."${major}";
+            #         };
 
-                dontUnpack = true;
-                dontBuild = true;
-                dontStrip = true;
+            #         dontUnpack = true;
+            #         dontBuild = true;
+            #         dontStrip = true;
 
-                installPhase = ''
-                  mkdir -p $out
-                  dpkg -x $src $out
-                  install -D -t $out/lib $out/usr/lib/postgresql/${major}/lib/*.so
-                  install -D -t $out/share/postgresql/extension $out/usr/share/postgresql/${major}/extension/*.sql
-                  install -D -t $out/share/postgresql/extension $out/usr/share/postgresql/${major}/extension/*.control
-                  rm -rf $out/usr
-                '';
+            #         installPhase = ''
+            #           mkdir -p $out
+            #           dpkg -x $src $out
+            #           install -D -t $out/lib $out/usr/lib/postgresql/${major}/lib/*.so
+            #           install -D -t $out/share/postgresql/extension $out/usr/share/postgresql/${major}/extension/*.sql
+            #           install -D -t $out/share/postgresql/extension $out/usr/share/postgresql/${major}/extension/*.control
+            #           rm -rf $out/usr
+            #         '';
 
-                meta = {
-                  description = "Scalable Vector database plugin for Postgres, written in Rust, specifically designed for LLM";
-                  homepage = "https://github.com/tensorchord/pgvecto.rs";
-                  license = pkgs.lib.licenses.asl20;
-                  platforms = pkgs.postgresql.meta.platforms;
-                };
-              };
+            #         meta = {
+            #           description = "Scalable Vector database plugin for Postgres, written in Rust, specifically designed for LLM";
+            #           homepage = "https://github.com/tensorchord/pgvecto.rs";
+            #           license = pkgs.lib.licenses.asl20;
+            #           platforms = pkgs.postgresql.meta.platforms;
+            #         };
+            #       };
           };
         }
       )
@@ -95,6 +99,7 @@
           config,
           lib,
           pkgs,
+          pkgs-unstable,
           ...
         }: let
           cfg = config.jcollie.postgresql;
@@ -399,7 +404,7 @@
 
             escapeShell = value: lib.replaceStrings ["$"] ["\\$"] value;
 
-            postgresql = pkgs.postgresql_15.withPackages (
+            postgresql = pkgs-unstable.postgresql_15.withPackages (
               plugins:
                 (
                   lib.optionals cfg.plugins.postgis.enable [
@@ -408,7 +413,9 @@
                 )
                 ++ (
                   lib.optionals cfg.plugins.pgvecto-rs.enable [
-                    self.packages.${pkgs.system}.pgvecto-rs
+                    plugins.pgvecto-rs
+                    # nixpkgs-pgvectors.legacyPackages.${pkgs.system}.postgresqlPackages.pgvecto-rs
+                    # self.packages.${pkgs.system}.pgvecto-rs
                   ]
                 )
             );