diff --git a/pkgs/by-name/pr/pretalx/package.nix b/pkgs/by-name/pr/pretalx/package.nix
index 02af5de36b4d..53ed12a22bf5 100644
--- a/pkgs/by-name/pr/pretalx/package.nix
+++ b/pkgs/by-name/pr/pretalx/package.nix
@@ -3,7 +3,6 @@
 , gettext
 , python3
 , fetchFromGitHub
-, fetchpatch2
 , plugins ? [ ]
 , nixosTests
 }:
@@ -30,13 +29,13 @@ let
     };
   };
 
-  version = "2024.1.0";
+  version = "2024.2.0";
 
   src = fetchFromGitHub {
     owner = "pretalx";
     repo = "pretalx";
     rev = "v${version}";
-    hash = "sha256-rFOlovybaEZnv5wBx6Dv8bVkP1D+CgYAKRXuNb6hLKQ=";
+    hash = "sha256-2HkxFS+T/lN/8EvAL3S4iVYn30y0OPmaUSneEPEA62k=";
   };
 
   meta = with lib; {
@@ -55,7 +54,7 @@ let
 
     sourceRoot = "${src.name}/src/pretalx/frontend/schedule-editor";
 
-    npmDepsHash = "sha256-B9R3Nn4tURNxzeyLDHscqHxYOQK9AcmDnyNq3k5WQQs=";
+    npmDepsHash = "sha256-EAdeXdcC3gHun6BOHzvqpzv9+oDl1b/VTeNkYLiD+hA=";
 
     npmBuildScript = "build";
 
@@ -72,15 +71,6 @@ python.pkgs.buildPythonApplication rec {
     "static"
   ];
 
-  patches = [
-    (fetchpatch2 {
-      # Backport support for Djangorestframework 3.15.x
-      name = "pretalx-drf-3.15.patch";
-      url = "https://github.com/pretalx/pretalx/commit/43a0416c6968d64ea57720abdb82f482940b11f8.patch";
-      hash = "sha256-Iw1xVF7j7c712kwIk1SMbQSF0ixMUZr1BJib3KAb2HY=";
-    })
-  ];
-
   postPatch = ''
     substituteInPlace src/pretalx/common/management/commands/rebuild.py \
       --replace 'subprocess.check_call(["npm", "run", "build"], cwd=frontend_dir, env=env)' ""
@@ -99,6 +89,7 @@ python.pkgs.buildPythonApplication rec {
     "celery"
     "css-inline"
     "cssutils"
+    "defusedxml"
     "django-compressor"
     "django-csp"
     "django-filter"
@@ -122,6 +113,7 @@ python.pkgs.buildPythonApplication rec {
     csscompressor
     cssutils
     defusedcsv
+    defusedxml
     django
     django-bootstrap4
     django-compressor