diff --git a/flake.nix b/flake.nix
index 6d48137..6a0b047 100644
--- a/flake.nix
+++ b/flake.nix
@@ -44,6 +44,154 @@
           };
         };
 
+        # Create django-markdownify derivation
+        django-markdownify = pkgs.python3.pkgs.buildPythonPackage rec {
+          pname = "django-markdownify";
+          version = "0.9.5";
+          
+          src = pkgs.fetchurl {
+            url = "https://files.pythonhosted.org/packages/6c/33/3abb966e2b238af4c9a5d3ee38a7aa7e51b644b4b20bf8533b6fd1c1bf96/django_markdownify-0.9.5.tar.gz";
+            sha256 = "sha256-NMNOukp5coKlxb2XsTzshNakwGc61HzhwdAA103Y1Ks=";
+          };
+          
+          propagatedBuildInputs = with pkgs.python3.pkgs; [
+            django
+            markdown
+            bleach
+          ];
+          
+          doCheck = false; # Skip tests during build
+          
+          meta = with pkgs.lib; {
+            description = "Django Markdownify";
+            homepage = "https://github.com/erwinmatijsen/django-markdownify";
+            license = licenses.mit;
+          };
+        };
+
+        # Create django-pipeline derivation
+        django-pipeline = pkgs.python3.pkgs.buildPythonPackage rec {
+          pname = "django-pipeline";
+          version = "3.1.0";
+          
+          src = pkgs.fetchurl {
+            url = "https://files.pythonhosted.org/packages/2c/22/24a8fdfb07ebd60ed9af004cfbef4df0ee5af9fb9c06ad1d3e6e1e5b33ac/django_pipeline-3.1.0.tar.gz";
+            sha256 = "sha256-NkcK7O1IiWlLiZqZW80u2lEvRbYaxo1QrcWGPIutXuQ=";
+          };
+          
+          nativeBuildInputs = with pkgs.python3.pkgs; [
+            setuptools-scm
+          ];
+          
+          propagatedBuildInputs = with pkgs.python3.pkgs; [
+            django
+          ];
+          
+          doCheck = false; # Skip tests during build
+          
+          meta = with pkgs.lib; {
+            description = "Django Pipeline";
+            homepage = "https://github.com/jazzband/django-pipeline";
+            license = licenses.mit;
+          };
+        };
+
+        # Create django-friendly-tag-loader derivation
+        django-friendly-tag-loader = pkgs.python3.pkgs.buildPythonPackage rec {
+          pname = "django-friendly-tag-loader";
+          version = "1.3.1";
+          
+          src = pkgs.fetchPypi {
+            inherit pname version;
+            sha256 = "sha256-MVkoByRe71G6m3HKf3qqMbP7YYtVmNMCbK6xo4bhKJo=";
+          };
+          
+          propagatedBuildInputs = with pkgs.python3.pkgs; [
+            django
+          ];
+          
+          doCheck = false; # Skip tests during build
+          
+          meta = with pkgs.lib; {
+            description = "Django Friendly Tag Loader";
+            homepage = "https://github.com/jazzband/django-friendly-tag-loader";
+            license = licenses.mit;
+          };
+        };
+
+        # Create django-token-bucket derivation
+        django-token-bucket = pkgs.python3.pkgs.buildPythonPackage rec {
+          pname = "django-token-bucket";
+          version = "0.2.4";
+          
+          src = pkgs.fetchurl {
+            url = "https://files.pythonhosted.org/packages/68/38/b940b6660f89efa969cce6ef5a43ea96cfa92ba57baf97a11c8dda87e413/django_token_bucket-0.2.4.tar.gz";
+            sha256 = "sha256-hkj4Vo2OXI0IR/T6/qzt5ZPPLCFJNnNWyEm9hkervCQ=";
+          };
+          
+          propagatedBuildInputs = with pkgs.python3.pkgs; [
+            django
+          ];
+          
+          doCheck = false; # Skip tests during build
+          
+          meta = with pkgs.lib; {
+            description = "Django Token Bucket";
+            homepage = "https://github.com/dcwatson/django-token-bucket";
+            license = licenses.mit;
+          };
+        };
+
+        # Create django-widget-tweaks derivation
+        django-widget-tweaks = pkgs.python3.pkgs.buildPythonPackage rec {
+          pname = "django-widget-tweaks";
+          version = "1.5.0";
+          
+          src = pkgs.fetchurl {
+            url = "https://files.pythonhosted.org/packages/a5/fe/26eb92fba83844e71bbec0ced7fc2e843e5990020e3cc676925204031654/django-widget-tweaks-1.5.0.tar.gz";
+            sha256 = "sha256-HCGAaB67mU6SLHVIBMf/674SRQFHd6xHiXqB9XzGKcc=";
+          };
+          
+          nativeBuildInputs = with pkgs.python3.pkgs; [
+            setuptools-scm
+          ];
+          
+          propagatedBuildInputs = with pkgs.python3.pkgs; [
+            django
+          ];
+          
+          doCheck = false; # Skip tests during build
+          
+          meta = with pkgs.lib; {
+            description = "Django Widget Tweaks";
+            homepage = "https://github.com/jazzband/django-widget-tweaks";
+            license = licenses.mit;
+          };
+        };
+
+        # Create libsasscompiler derivation
+        libsasscompiler = pkgs.python3.pkgs.buildPythonPackage rec {
+          pname = "libsasscompiler";
+          version = "0.1.9";
+          
+          src = pkgs.fetchPypi {
+            inherit pname version;
+            sha256 = "sha256-OQ9hJ/8tR4U4O4Oj6UlD47Ac9CclH22Ys9Kkhj1RzBQ=";
+          };
+          
+          propagatedBuildInputs = with pkgs.python3.pkgs; [
+            setuptools
+          ];
+          
+          doCheck = false; # Skip tests during build
+          
+          meta = with pkgs.lib; {
+            description = "LibSass Compiler";
+            homepage = "https://github.com/sass/libsass-python";
+            license = licenses.mit;
+          };
+        };
+
         # Create settings_local.py for production
         settingsLocal = pkgs.writeText "settings_local.py" ''
           import os
@@ -95,6 +243,12 @@
           # Core Django dependencies
           django
           django-simple-csp
+          django-markdownify
+          django-pipeline
+          django-friendly-tag-loader
+          django-token-bucket
+          django-widget-tweaks
+          libsasscompiler
           
           # Calendar and date handling
           caldav
@@ -129,9 +283,6 @@
           setuptools
           wheel
           pip
-          
-          # Available Django packages
-          # Note: Some packages will need to be installed via pip in postInstall
         ]);
 
         bitpoll = pkgs.stdenv.mkDerivation rec {
@@ -165,24 +316,12 @@
             mkdir -p $out/share/bitpoll
             cp -r . $out/share/bitpoll/
             
-            # Install missing Python packages via pip
-            export PYTHONPATH=$out/lib/python3.12/site-packages:$PYTHONPATH
-            mkdir -p $out/lib/python3.12/site-packages
-            
-            ${pythonEnv}/bin/pip install --target $out/lib/python3.12/site-packages \
-              django-markdownify==0.9.5 \
-              django-pipeline==3.1.0 \
-              django-friendly-tag-loader==1.3.1 \
-              django-token-bucket==0.2.4 \
-              django-widget-tweaks==1.5.0 \
-              libsasscompiler==0.1.9
-            
             # Create wrapper script
             mkdir -p $out/bin
             cat > $out/bin/bitpoll-manage << EOF
             #!/bin/sh
             cd $out/share/bitpoll
-            export PYTHONPATH=$out/lib/python3.12/site-packages:$out/share/bitpoll:\$PYTHONPATH
+            export PYTHONPATH=$out/share/bitpoll:\$PYTHONPATH
             exec ${pythonEnv}/bin/python manage.py "\$@"
             EOF
             chmod +x $out/bin/bitpoll-manage
@@ -191,7 +330,7 @@
             cat > $out/bin/bitpoll-server << EOF
             #!/bin/sh
             cd $out/share/bitpoll
-            export PYTHONPATH=$out/lib/python3.12/site-packages:$out/share/bitpoll:\$PYTHONPATH
+            export PYTHONPATH=$out/share/bitpoll:\$PYTHONPATH
             exec ${pythonEnv}/bin/python manage.py runserver "\$@"
             EOF
             chmod +x $out/bin/bitpoll-server