diff --git a/nixos/modules/services/networking/seafile.nix b/nixos/modules/services/networking/seafile.nix
index 856797b6b020..199eeb628ceb 100644
--- a/nixos/modules/services/networking/seafile.nix
+++ b/nixos/modules/services/networking/seafile.nix
@@ -1,7 +1,6 @@
 { config, lib, pkgs, ... }:
 with lib;
 let
-  python = pkgs.python3Packages.python;
   cfg = config.services.seafile;
   settingsFormat = pkgs.formats.ini { };
 
@@ -220,9 +219,7 @@ in {
         '';
       };
 
-      seahub = let
-        penv = (pkgs.python3.withPackages (ps: with ps; [ gunicorn seahub ]));
-      in {
+      seahub = {
         description = "Seafile Server Web Frontend";
         wantedBy = [ "seafile.target" ];
         partOf = [ "seafile.target" ];
@@ -230,8 +227,7 @@ in {
         requires = [ "seaf-server.service" ];
         restartTriggers = [ seahubSettings ];
         environment = {
-          PYTHONPATH =
-            "${pkgs.python3Packages.seahub}/thirdpart:${pkgs.python3Packages.seahub}:${penv}/${python.sitePackages}";
+          PYTHONPATH = "${pkgs.seahub.pythonPath}:${pkgs.seahub}/thirdpart:${pkgs.seahub}";
           DJANGO_SETTINGS_MODULE = "seahub.settings";
           CCNET_CONF_DIR = ccnetDir;
           SEAFILE_CONF_DIR = dataDir;
@@ -248,7 +244,7 @@ in {
           LogsDirectory = "seafile";
           ConfigurationDirectory = "seafile";
           ExecStart = ''
-            ${penv}/bin/gunicorn seahub.wsgi:application \
+            ${pkgs.seahub.python.pkgs.gunicorn}/bin/gunicorn seahub.wsgi:application \
             --name seahub \
             --workers ${toString cfg.workers} \
             --log-level=info \
@@ -261,27 +257,27 @@ in {
         preStart = ''
           mkdir -p ${seahubDir}/media
           # Link all media except avatars
-          for m in `find ${pkgs.python3Packages.seahub}/media/ -maxdepth 1 -not -name "avatars"`; do
+          for m in `find ${pkgs.seahub}/media/ -maxdepth 1 -not -name "avatars"`; do
             ln -sf $m ${seahubDir}/media/
           done
           if [ ! -e "${seafRoot}/.seahubSecret" ]; then
-              ${penv}/bin/python ${pkgs.python3Packages.seahub}/tools/secret_key_generator.py > ${seafRoot}/.seahubSecret
+              ${pkgs.seahub.python}/bin/python ${pkgs.seahub}/tools/secret_key_generator.py > ${seafRoot}/.seahubSecret
               chmod 400 ${seafRoot}/.seahubSecret
           fi
           if [ ! -f "${seafRoot}/seahub-setup" ]; then
               # avatars directory should be writable
-              install -D -t ${seahubDir}/media/avatars/ ${pkgs.python3Packages.seahub}/media/avatars/default.png
-              install -D -t ${seahubDir}/media/avatars/groups ${pkgs.python3Packages.seahub}/media/avatars/groups/default.png
+              install -D -t ${seahubDir}/media/avatars/ ${pkgs.seahub}/media/avatars/default.png
+              install -D -t ${seahubDir}/media/avatars/groups ${pkgs.seahub}/media/avatars/groups/default.png
               # init database
-              ${pkgs.python3Packages.seahub}/manage.py migrate
+              ${pkgs.seahub}/manage.py migrate
               # create admin account
-              ${pkgs.expect}/bin/expect -c 'spawn ${pkgs.python3Packages.seahub}/manage.py createsuperuser --email=${cfg.adminEmail}; expect "Password: "; send "${cfg.initialAdminPassword}\r"; expect "Password (again): "; send "${cfg.initialAdminPassword}\r"; expect "Superuser created successfully."'
-              echo "${pkgs.python3Packages.seahub.version}-sqlite" > "${seafRoot}/seahub-setup"
+              ${pkgs.expect}/bin/expect -c 'spawn ${pkgs.seahub}/manage.py createsuperuser --email=${cfg.adminEmail}; expect "Password: "; send "${cfg.initialAdminPassword}\r"; expect "Password (again): "; send "${cfg.initialAdminPassword}\r"; expect "Superuser created successfully."'
+              echo "${pkgs.seahub.version}-sqlite" > "${seafRoot}/seahub-setup"
           fi
-          if [ $(cat "${seafRoot}/seahub-setup" | cut -d"-" -f1) != "${pkgs.python3Packages.seahub.version}" ]; then
+          if [ $(cat "${seafRoot}/seahub-setup" | cut -d"-" -f1) != "${pkgs.seahub.version}" ]; then
               # update database
-              ${pkgs.python3Packages.seahub}/manage.py migrate
-              echo "${pkgs.python3Packages.seahub.version}-sqlite" > "${seafRoot}/seahub-setup"
+              ${pkgs.seahub}/manage.py migrate
+              echo "${pkgs.seahub.version}-sqlite" > "${seafRoot}/seahub-setup"
           fi
         '';
       };
diff --git a/pkgs/development/python-modules/seahub/default.nix b/pkgs/applications/networking/seahub/default.nix
similarity index 52%
rename from pkgs/development/python-modules/seahub/default.nix
rename to pkgs/applications/networking/seahub/default.nix
index 81728dfe7864..8c26b7290836 100644
--- a/pkgs/development/python-modules/seahub/default.nix
+++ b/pkgs/applications/networking/seahub/default.nix
@@ -1,14 +1,27 @@
-{ lib, fetchFromGitHub, python3Packages, makeWrapper }:
-
-python3Packages.buildPythonPackage rec {
+{ lib, fetchFromGitHub, python3, makeWrapper }:
+let
+  # Seahub 8.x.x does not support django-webpack-loader >=1.x.x
+  python = python3.override {
+    packageOverrides = self: super: {
+      django-webpack-loader = super.django-webpack-loader.overridePythonAttrs (old: rec {
+        version = "0.7.0";
+        src = old.src.override {
+          inherit version;
+          sha256 = "0izl6bibhz3v538ad5hl13lfr6kvprf62rcl77wq2i5538h8hg3s";
+        };
+      });
+    };
+  };
+in
+python.pkgs.buildPythonApplication rec {
   pname = "seahub";
-  version = "8.0.7";
+  version = "8.0.8";
 
   src = fetchFromGitHub {
     owner = "haiwen";
     repo = "seahub";
-    rev = "4f7bb3f617dd847cf0a6b33c0bfb567b44c06059"; # using a fixed revision because upstream may re-tag releases :/
-    sha256 = "09d05sxly1bljxxzm77limhwsbg8c4b54fzv3kmaih59pjnjyr03";
+    rev = "c51346155b2f31e038c3a2a12e69dcc6665502e2"; # using a fixed revision because upstream may re-tag releases :/
+    sha256 = "0dagiifxllfk73xdzfw2g378jccpzplhdrmkwbaakbhgbvvkg92k";
   };
 
   dontBuild = true;
@@ -16,7 +29,7 @@ python3Packages.buildPythonPackage rec {
 
   nativeBuildInputs = [ makeWrapper ];
 
-  propagatedBuildInputs = with python3Packages; [
+  propagatedBuildInputs = with python.pkgs; [
     django
     future
     django-statici18n
@@ -37,15 +50,20 @@ python3Packages.buildPythonPackage rec {
     qrcode
     pysearpc
     seaserv
+    gunicorn
   ];
 
   installPhase = ''
     cp -dr --no-preserve='ownership' . $out/
     wrapProgram $out/manage.py \
-      --prefix PYTHONPATH : "$PYTHONPATH:$out/thirdpart:" \
-      --prefix PATH : "${python3Packages.python}/bin"
+      --prefix PYTHONPATH : "$PYTHONPATH:$out/thirdpart:"
   '';
 
+  passthru = {
+    inherit python;
+    pythonPath = python3.pkgs.makePythonPath propagatedBuildInputs;
+  };
+
   meta = with lib; {
     homepage = "https://github.com/haiwen/seahub";
     description = "The web end of seafile server";
diff --git a/pkgs/development/libraries/libsearpc/default.nix b/pkgs/development/libraries/libsearpc/default.nix
index 199ae0b685cf..bbd892c33ee8 100644
--- a/pkgs/development/libraries/libsearpc/default.nix
+++ b/pkgs/development/libraries/libsearpc/default.nix
@@ -1,5 +1,12 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, python3Packages
-, glib, jansson }:
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, python3
+, glib
+, jansson
+}:
 
 stdenv.mkDerivation rec {
   version = "3.2.0";
@@ -12,9 +19,19 @@ stdenv.mkDerivation rec {
     sha256 = "18i5zvrp6dv6vygxx5nc93mai2p2x786n5lnf5avrin6xiz2j6hd";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkg-config ];
-  buildInputs = with python3Packages; [ python simplejson ];
-  propagatedBuildInputs = [ glib jansson ];
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    python3
+  ];
+
+  propagatedBuildInputs = [
+    glib
+    jansson
+  ];
 
   meta = with lib; {
     homepage = "https://github.com/haiwen/libsearpc";
diff --git a/pkgs/servers/seafile-server/default.nix b/pkgs/servers/seafile-server/default.nix
index 13be1f876021..526bc456acc5 100644
--- a/pkgs/servers/seafile-server/default.nix
+++ b/pkgs/servers/seafile-server/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, pkg-config, python3Packages, autoreconfHook
+{ stdenv, lib, fetchFromGitHub, pkg-config, python3, autoreconfHook
 , libuuid, sqlite, glib, libevent, libsearpc, openssl, fuse, libarchive, which
 , vala, cmake, oniguruma, nixosTests }:
 
@@ -28,7 +28,7 @@ in stdenv.mkDerivation rec {
     glib
     libsearpc
     libevent
-    python3Packages.python
+    python3
     fuse
     libarchive
     which
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d0477ad6be99..7161ad0c976a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -28081,6 +28081,8 @@ with pkgs;
 
   seafile-client = libsForQt5.callPackage ../applications/networking/seafile-client { };
 
+  seahub = callPackage ../applications/networking/seahub { };
+
   seatd = callPackage ../applications/misc/seatd { };
 
   secretscanner = callPackage ../tools/security/secretscanner { };
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 31d14238ec4b..4bcef40549f7 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7134,7 +7134,9 @@ in {
 
   pysdl2 = callPackage ../development/python-modules/pysdl2 { };
 
-  pysearpc = toPythonModule pkgs.libsearpc;
+  pysearpc = toPythonModule (pkgs.libsearpc.override {
+    python3 = self.python;
+  });
 
   pysecuritas = callPackage ../development/python-modules/pysecuritas { };
 
@@ -8521,9 +8523,9 @@ in {
 
   seabreeze = callPackage ../development/python-modules/seabreeze { };
 
-  seahub = callPackage ../development/python-modules/seahub { };
-
-  seaserv = toPythonModule pkgs.seafile-server;
+  seaserv = toPythonModule (pkgs.seafile-server.override {
+    python3 = self.python;
+  });
 
   seccomp = callPackage ../development/python-modules/seccomp { };