diff --git a/pkgs/by-name/na/naps2/01-donate-button.patch b/pkgs/by-name/na/naps2/01-donate-button.patch
new file mode 100644
index 000000000000..e9ddbbedc9d2
--- /dev/null
+++ b/pkgs/by-name/na/naps2/01-donate-button.patch
@@ -0,0 +1,14 @@
+diff --git a/NAPS2.Lib/EtoForms/Ui/AboutForm.cs b/NAPS2.Lib/EtoForms/Ui/AboutForm.cs
+--- a/NAPS2.Lib/EtoForms/Ui/AboutForm.cs
++++ b/NAPS2.Lib/EtoForms/Ui/AboutForm.cs
+@@ -26,8 +26,8 @@ public class AboutForm : EtoDialogBase
+         _donateButton = C.Button(UiStrings.Donate, () => ProcessHelper.OpenUrl(DONATE_URL));
+         _donateButton.BackgroundColor = Color.FromRgb(0xfeda96);
+         _donateButton.TextColor = Color.FromRgb(0x1b464e);
+-        _donateButton.Font = new Font(_donateButton.Font.Family, _donateButton.Font.Size * 11 / 10,
+-            FontStyle.Italic | FontStyle.Bold);
++        try { _donateButton.Font = new Font(_donateButton.Font.Family, _donateButton.Font.Size * 11 / 10,
++            FontStyle.Italic | FontStyle.Bold); } catch {};
+         EtoPlatform.Current.ConfigureDonateButton(_donateButton);
+ 
+         _enableDebugLogging.Checked = config.Get(c => c.EnableDebugLogging);
diff --git a/pkgs/by-name/na/naps2/02-button-dpi.patch b/pkgs/by-name/na/naps2/02-button-dpi.patch
new file mode 100644
index 000000000000..d5579697a62c
--- /dev/null
+++ b/pkgs/by-name/na/naps2/02-button-dpi.patch
@@ -0,0 +1,14 @@
+diff --git a/NAPS2.Lib/EtoForms/Layout/C.cs b/NAPS2.Lib/EtoForms/Layout/C.cs
+--- a/NAPS2.Lib/EtoForms/Layout/C.cs
++++ b/NAPS2.Lib/EtoForms/Layout/C.cs
+@@ -121,8 +121,8 @@ public static class C
+         if (flags.HasFlag(ButtonFlags.LargeText))
+         {
+             var baseFontSize = button.Font.Size;
+-            EtoPlatform.Current.AttachDpiDependency(button,
+-                _ => button.Font = new Font(button.Font.Family, baseFontSize * 4 / 3));
++            EtoPlatform.Current.AttachDpiDependency(button, _ => {
++                try { button.Font = new Font(button.Font.Family, baseFontSize * 4 / 3); } catch {}});
+         }
+         EtoPlatform.Current.ConfigureImageButton(button, flags);
+         return button;
diff --git a/pkgs/by-name/na/naps2/deps.json b/pkgs/by-name/na/naps2/deps.json
index 27042ebac4a3..143e54bc60d6 100644
--- a/pkgs/by-name/na/naps2/deps.json
+++ b/pkgs/by-name/na/naps2/deps.json
@@ -159,6 +159,11 @@
     "version": "2.1.30",
     "hash": "sha256-5gx6yqwbWsWWKOmldsLnN5o8fXQf2rbSUknSEhs1c0w="
   },
+  {
+    "pname": "Microsoft.NETCore.Platforms",
+    "version": "1.1.0",
+    "hash": "sha256-FeM40ktcObQJk4nMYShB61H/E8B7tIKfl9ObJ0IOcCM="
+  },
   {
     "pname": "Microsoft.NETCore.Platforms",
     "version": "1.1.1",
@@ -174,6 +179,11 @@
     "version": "1.1.0",
     "hash": "sha256-0AqQ2gMS8iNlYkrD+BxtIg7cXMnr9xZHtKAuN4bjfaQ="
   },
+  {
+    "pname": "Microsoft.NETCore.Targets",
+    "version": "1.1.3",
+    "hash": "sha256-WLsf1NuUfRWyr7C7Rl9jiua9jximnVvzy6nk2D2bVRc="
+  },
   {
     "pname": "Microsoft.NETCore.Targets",
     "version": "2.0.0",
@@ -196,13 +206,13 @@
   },
   {
     "pname": "NAPS2.NTwain",
-    "version": "1.0.0",
-    "hash": "sha256-jXpUVhX8c9CutPJH5Q2JvJjPBRrV6gI0yI/mA8PgDSE="
+    "version": "1.0.1",
+    "hash": "sha256-WSU/KBDz2zcnoYMH/38UsOMVB9+mOIJkqfKVzT58bGE="
   },
   {
     "pname": "NAPS2.Pdfium.Binaries",
-    "version": "1.1.0",
-    "hash": "sha256-mg88JinIvTJZHtaPoEQbVsL5PBO5iUiNMvcQ4M2c2GY="
+    "version": "1.2.0",
+    "hash": "sha256-wbOjJzCnTm+hN4uQEY8glfeuL1R8WEYQm1/obZ9tLmM="
   },
   {
     "pname": "NAPS2.PdfSharp",
@@ -211,8 +221,8 @@
   },
   {
     "pname": "NAPS2.Tesseract.Binaries",
-    "version": "1.2.0",
-    "hash": "sha256-4rtFr6ydc+LRgYK7asVRnMSigI2iwU2poG6TJ52eKlQ="
+    "version": "1.4.0",
+    "hash": "sha256-cX+0nD7hLroL2pyRsB2mAErHLuG04B7fcm273BQpL5E="
   },
   {
     "pname": "NAPS2.Wia",
@@ -389,6 +399,11 @@
     "version": "4.3.0",
     "hash": "sha256-2IhBv0i6pTcOyr8FFIyfPEaaCHUmJZ8DYwLUwJ+5waw="
   },
+  {
+    "pname": "runtime.native.System.Security.Cryptography.OpenSsl",
+    "version": "4.3.0",
+    "hash": "sha256-Jy01KhtcCl2wjMpZWH+X3fhHcVn+SyllWFY8zWlz/6I="
+  },
   {
     "pname": "runtime.native.System.Security.Cryptography.OpenSsl",
     "version": "4.3.2",
@@ -464,6 +479,11 @@
     "version": "4.3.0",
     "hash": "sha256-l8S9gt6dk3qYG6HYonHtdlYtBKyPb29uQ6NDjmrt3V4="
   },
+  {
+    "pname": "SharpZipLib",
+    "version": "1.3.3",
+    "hash": "sha256-HWEQTKh9Ktwg/zIl079dAiH+ob2ShWFAqLgG6XgIMr4="
+  },
   {
     "pname": "SharpZipLib",
     "version": "1.4.2",
@@ -474,6 +494,11 @@
     "version": "1.3.1",
     "hash": "sha256-FtRIcfLYXxUftEhq8kHgNNkahde6Fv2hPVGZNezCW1Y="
   },
+  {
+    "pname": "SixLabors.Fonts",
+    "version": "1.0.0-beta17",
+    "hash": "sha256-KnHduFn5h/mtHCpCFKg+ZIZi6fKjz2H2sqTIzwXCqOI="
+  },
   {
     "pname": "SixLabors.Fonts",
     "version": "1.0.1",
@@ -579,6 +604,11 @@
     "version": "4.3.0",
     "hash": "sha256-fVfgcoP4AVN1E5wHZbKBIOPYZ/xBeSIdsNF+bdukIRM="
   },
+  {
+    "pname": "System.Private.Uri",
+    "version": "4.3.2",
+    "hash": "sha256-jB2+W3tTQ6D9XHy5sEFMAazIe1fu2jrENUO0cb48OgU="
+  },
   {
     "pname": "System.Reflection",
     "version": "4.3.0",
diff --git a/pkgs/by-name/na/naps2/package.nix b/pkgs/by-name/na/naps2/package.nix
index d77a05a479ac..003436adb4c7 100644
--- a/pkgs/by-name/na/naps2/package.nix
+++ b/pkgs/by-name/na/naps2/package.nix
@@ -14,32 +14,31 @@
 
 buildDotnetModule rec {
   pname = "naps2";
-  version = "7.5.3";
+  version = "8.2.1";
 
   src = fetchFromGitHub {
     owner = "cyanfish";
     repo = "naps2";
     tag = "v${version}";
-    hash = "sha256-vX+ZyCQsYqJjgYaufWJRnzX8retiFK5QHSP40bbBaCc=";
+    hash = "sha256-1OPFWmy9eDRnMJjYdzYubgfde7MNix8ZsSuN2ZHsvco=";
   };
 
+  patches = [
+    ./01-donate-button.patch
+    ./02-button-dpi.patch
+  ];
+
   projectFile = "NAPS2.App.Gtk/NAPS2.App.Gtk.csproj";
   nugetDeps = ./deps.json;
 
-  postPatch = ''
-    substituteInPlace NAPS2.Images.Gtk/NAPS2.Images.Gtk.csproj \
-      --replace-fail TargetFramework TargetFrameworks \
-  '';
-
   dotnetFlags = [
-    "-p:TargetFrameworks=net8"
-    "-p:EnablePreviewFeatures=true"
+    "-p:TargetFrameworks=net9"
   ];
 
   executables = [ "naps2" ];
 
-  dotnet-sdk = dotnetCorePackages.sdk_8_0;
-  dotnet-runtime = dotnetCorePackages.runtime_8_0;
+  dotnet-sdk = dotnetCorePackages.sdk_9_0;
+  dotnet-runtime = dotnetCorePackages.runtime_9_0;
 
   nativeBuildInputs = [ wrapGAppsHook3 ];
 
@@ -60,6 +59,14 @@ buildDotnetModule rec {
     install -D NAPS2.Lib/Icons/scanner-64-rev2.png $out/share/icons/hicolor/64x64/apps/com.naps2.Naps2.png
     install -D NAPS2.Lib/Icons/scanner-72-rev1.png $out/share/icons/hicolor/72x72/apps/com.naps2.Naps2.png
     install -D NAPS2.Lib/Icons/scanner-128.png $out/share/icons/hicolor/128x128/apps/com.naps2.Naps2.png
+    case "${stdenv.hostPlatform.system}" in
+      x86_64-linux)
+        chmod a+x $out/lib/naps2/_linux/tesseract
+        ;;
+      aarch64-linux)
+        chmod a+x $out/lib/naps2/_linuxarm/tesseract
+        ;;
+    esac
   '';
 
   meta = {