diff --git a/pkgs/by-name/pd/pdfding/frontend.nix b/pkgs/by-name/pd/pdfding/frontend.nix
index 76090903d5e0..454fd415c04d 100644
--- a/pkgs/by-name/pd/pdfding/frontend.nix
+++ b/pkgs/by-name/pd/pdfding/frontend.nix
@@ -8,8 +8,8 @@
   pdfding,
 }:
 let
-  pdfjsVersion = "5.5.207"; # see update script
-  pdfjsHash = "sha256-HikisEa6L+BqsG6imgWhV+4J46BluU5zqU1nFZAG0eM=";
+  pdfjsVersion = "6.1.200"; # see update script
+  pdfjsHash = "sha256-8hByPf4BXTXakRxomXtknthlCLcjG/pCLVnjMxqrROI=";
   pdfjs = fetchzip {
     url = "https://github.com/mozilla/pdf.js/releases/download/v${pdfjsVersion}/pdfjs-${pdfjsVersion}-dist.zip";
     hash = pdfjsHash;
diff --git a/pkgs/by-name/pd/pdfding/package.nix b/pkgs/by-name/pd/pdfding/package.nix
index 14be17f12abe..c91b06171ddc 100644
--- a/pkgs/by-name/pd/pdfding/package.nix
+++ b/pkgs/by-name/pd/pdfding/package.nix
@@ -12,22 +12,21 @@ let
 in
 python.pkgs.buildPythonPackage (finalAttrs: {
   pname = "pdfding";
-  version = "1.10.0";
+  version = "1.11.0";
   src = fetchFromGitHub {
     owner = "mrmn2";
     repo = "PdfDing";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-C1osj8V9+z3ahl4+zUtyI22GMtSgNLzfdGttL7gPDvY=";
+    hash = "sha256-9gvuU/u8J717Zo7p35kUHX+VNY+c2Ex6vRwMpYr864U=";
   };
   pyproject = true;
 
   strictDeps = true;
   __structuredAttrs = true;
 
-  # remove supervisor from dependencies and fix version
+  # remove supervisor from dependencies, we use systemd
   postPatch = ''
     sed -i 's/supervisor.*$//' pyproject.toml
-    sed -i 's/^version = .*$/version = "${finalAttrs.version}"/' pyproject.toml
   '';
 
   dependencies =
@@ -66,6 +65,7 @@ python.pkgs.buildPythonPackage (finalAttrs: {
 
   nativeBuildInputs = [
     makeWrapper
+    python.pkgs.pyprojectVersionPatchHook
   ];
 
   optional-dependencies = {
@@ -132,6 +132,7 @@ python.pkgs.buildPythonPackage (finalAttrs: {
       "''${makeWrapperArgs[@]}"
   '';
 
+  # NOTE: don't undo relaxing of any of these, they are bound to break again
   pythonRelaxDeps = [
     "django"
     "django-allauth"