diff --git a/modules/erpnext.nix b/modules/erpnext.nix
index ced0bba..1a347b1 100644
--- a/modules/erpnext.nix
+++ b/modules/erpnext.nix
@@ -114,12 +114,6 @@ in
       };
     };
 
-    socketIoPort = mkOption {
-      type = types.port;
-      default = 9000;
-      description = lib.mdDoc "Local socket.io HTTP server port.";
-    };
-
     webserver = {
       bindAddress = mkOption {
         type = types.str;
@@ -199,10 +193,8 @@ in
       db_port = "${toString cfg.database.port}";
       db_name = "${cfg.database.name}";
       db_password = "#NIXOS_ERPNEXT_DB_USER_PASSWORD#";
-      redis_cache = "redis://${cfg.redis.host}:${toString cfg.redis.port}?db=1";
-      redis_queue = "redis://${cfg.redis.host}:${toString cfg.redis.port}?db=2";
-      redis_socketio = "redis://${cfg.redis.host}:${toString cfg.redis.port}?db=0";
-      socketio_port = "${toString cfg.socketIoPort}";
+      redis_cache = "redis://${cfg.redis.host}:${toString cfg.redis.port}?db=0";
+      redis_queue = "redis://${cfg.redis.host}:${toString cfg.redis.port}?db=1";
     };
     commonSiteConfigFile = pkgs.writeText "erpnext-common_site_config.json" (builtins.toJSON commonSiteConfig);
 
@@ -286,23 +278,6 @@ in
       "d '${cfg.benchDir}/sites' 0750 ${cfg.user} ${config.users.users.${cfg.user}.group}"
     ];
 
-    systemd.services.erpnext-nodejs-socketio = {
-      enable = true;
-      after = [ "erpnext-web.service" ];
-      wantedBy = [ "erpnext-web.service" ];
-      partOf = [ "erpnext-web.service" ];
-      description = "ERPNext Node.js HTTP server for socket.io ";
-      confinement = {
-        enable = true;
-        packages = [ pkgs.nodejs ];
-      };
-      serviceConfig = defaultServiceConfig // {
-        ExecStart = ''
-          ${pkgs.nodejs}/bin/node ${cfg.benchDir}/apps/frappe/socketio.js
-        '';
-      };
-    };
-
     services.caddy.enable = mkIf (cfg.caddy != null) true;
     services.caddy.virtualHosts."${cfg.domain}" = mkIf (cfg.caddy != null) (lib.mkMerge [
       cfg.caddy
@@ -312,12 +287,6 @@ in
             root * ${pkgs.frappe-erpnext-assets}/share/sites
             file_server
           }
-          handle /socket.io/* {
-            reverse_proxy :${toString cfg.socketIoPort} {
-              header_up X-Frappe-Site-Name "${cfg.domain}" 
-              header_up Origin "{scheme}://${cfg.domain}"
-            }
-          }
 
           reverse_proxy :${toString cfg.webserver.bindPort}
         '';
@@ -330,7 +299,6 @@ in
       after = [
         "mysql.service"
         "redis.service"
-        "redis-socketio.service"
         "systemd-tmpfiles-setup.service"
       ];
       description = "ERPNext web server";
@@ -347,6 +315,9 @@ in
           pkgs.replace-secret
         ];
       };
+      path = [
+        pkgs.mariadb-client
+      ];
       environment = {
         PYTHON_PATH = "${penv}/${pkgs.python3.sitePackages}";
       };
@@ -387,7 +358,7 @@ in
             --chdir="${cfg.benchDir}/sites" \
             --bind=${cfg.webserver.bindAddress}:${toString cfg.webserver.bindPort} \
             --threads=4 \
-            --workers=3 \
+            --workers=2 \
             --worker-class=gthread \
             --worker-tmp-dir=/dev/shm \
             --timeout=120 \
@@ -412,22 +383,6 @@ in
         '';
       };
     };
-    systemd.services.erpnext-queue-default = {
-      enable = true;
-      after = [ "erpnext-web.service" ];
-      wantedBy = [ "erpnext-web.service" ];
-      partOf = [ "erpnext-web.service" ];
-      description = "ERPNext default queue server";
-      confinement = {
-        enable = true;
-        packages = [ penv ];
-      };
-      serviceConfig = defaultServiceConfig // {
-        ExecStart = ''
-          ${penv}/bin/bench worker --queue default
-        '';
-      };
-    };
     systemd.services.erpnext-queue-long = {
       enable = true;
       after = [ "erpnext-web.service" ];
diff --git a/srcs/pin.nix b/srcs/pin.nix
index 174caf4..dbb13ec 100644
--- a/srcs/pin.nix
+++ b/srcs/pin.nix
@@ -1,11 +1,11 @@
 {
   benchVersion = "5.19.0";
-  erpnextVersion = "14.58.1";
+  erpnextVersion = "15.9.1";
   frappeVersion = "15.8.1";
   hashes = {
     "benchSrcHash" = "sha256-y8nx4vFVQggwGv2MWQ88WczgVbPxPybZV38FF5u5aWI=";
-    "erpnextSrcHash" = "sha256-HeeNd7dAlbppR2gPPmohKqpUUoMx5f0Kgsd7wZtUHp8=";
-    "erpnextYarnHash" = "0rjqlw0lff1wwbzl62g8nnjlhz3km2km3vqj2dccawpi4q2kh6jn";
+    "erpnextSrcHash" = "sha256-nkXN0PTcWt1nSy3eRdBF2h0WMdAC79qWzaj9kXRsG2I=";
+    "erpnextYarnHash" = "1farnqrfnzshpbpx4nyarw13g8m3389ix3hrc4661xxm887lz5fv";
     "frappeSrcHash" = "sha256-FDUUNbULPmMY6dDgbMHrxXD8pK1AP+T7kG7mY9MmMDg=";
     "frappeYarnHash" = "0rj2v69siagwjz632hyaii5ni24fp434cznaxpi8978fq07qx6l9";
   };