diff --git a/pkgs/by-name/ps/ps2patchelf/deps.json b/pkgs/by-name/ps/ps2patchelf/deps.json
new file mode 100644
index 000000000000..fe51488c7066
--- /dev/null
+++ b/pkgs/by-name/ps/ps2patchelf/deps.json
@@ -0,0 +1 @@
+[]
diff --git a/pkgs/by-name/ps/ps2patchelf/package.nix b/pkgs/by-name/ps/ps2patchelf/package.nix
new file mode 100644
index 000000000000..409592dc5353
--- /dev/null
+++ b/pkgs/by-name/ps/ps2patchelf/package.nix
@@ -0,0 +1,40 @@
+{
+  fetchFromGitHub,
+  buildDotnetModule,
+  dotnetCorePackages,
+  lib,
+}:
+
+buildDotnetModule rec {
+  version = "1.0.0";
+  pname = "PS2PatchElf";
+
+  src = fetchFromGitHub {
+    owner = "CaptainSwag101";
+    repo = "PS2PatchElf";
+    tag = "v${version}";
+    hash = "sha256-iQL3tT71UOEFIYBdf9BNLUM4++Fm9qEhr77NkMCZdrU=";
+  };
+
+  patches = [
+    ./patches/target_net8.0.patch
+    ./patches/fix_arg_check.patch
+  ];
+
+  dotnet-sdk = dotnetCorePackages.sdk_8_0;
+  dotnet-runtime = dotnetCorePackages.runtime_8_0;
+
+  dotnetFlags = [ "-p:TargetFramework=net8.0" ];
+
+  nugetDeps = ./deps.json;
+
+  projectFile = "PS2PatchElf/PS2PatchElf.csproj";
+
+  meta = {
+    homepage = "https://github.com/CaptainSwag101/PS2PatchElf/";
+    description = "Very basic tool for converting PCSX2 .pnach cheats to game executable patches";
+    maintainers = [ lib.maintainers.gigahawk ];
+    mainProgram = "PS2PatchElf";
+    license = lib.licenses.mit;
+  };
+}
diff --git a/pkgs/by-name/ps/ps2patchelf/patches/fix_arg_check.patch b/pkgs/by-name/ps/ps2patchelf/patches/fix_arg_check.patch
new file mode 100644
index 000000000000..5e846eabe43c
--- /dev/null
+++ b/pkgs/by-name/ps/ps2patchelf/patches/fix_arg_check.patch
@@ -0,0 +1,14 @@
+diff --git a/PS2PatchElf/Program.cs b/PS2PatchElf/Program.cs
+index 8c0f1b4..78f4042 100644
+--- a/PS2PatchElf/Program.cs
++++ b/PS2PatchElf/Program.cs
+@@ -9,7 +9,7 @@ namespace PS2PatchElf
+     {
+         static void Main(string[] args)
+         {
+-            if (args.Length is not 2 or 3)
++            if (args.Length != 2 && args.Length != 3)
+             {
+                 Console.WriteLine("Improper number of arguments specified.\nPlease pass an input ELF/SLUS, a PNACH file, and optionally the patched ELF/SLUS's output path, in that order!");
+                 return;
+
diff --git a/pkgs/by-name/ps/ps2patchelf/patches/target_net8.0.patch b/pkgs/by-name/ps/ps2patchelf/patches/target_net8.0.patch
new file mode 100644
index 000000000000..420dfe7502c0
--- /dev/null
+++ b/pkgs/by-name/ps/ps2patchelf/patches/target_net8.0.patch
@@ -0,0 +1,26 @@
+diff --git a/PS2PatchElf/PS2PatchElf.csproj b/PS2PatchElf/PS2PatchElf.csproj
+index 3bfd30f..bb0c835 100644
+--- a/PS2PatchElf/PS2PatchElf.csproj
++++ b/PS2PatchElf/PS2PatchElf.csproj
+@@ -2,7 +2,7 @@
+
+   <PropertyGroup>
+     <OutputType>Exe</OutputType>
+-    <TargetFramework>net6.0</TargetFramework>
++    <TargetFramework>net8.0</TargetFramework>
+     <Nullable>enable</Nullable>
+   </PropertyGroup>
+
+diff --git a/PS2PatchLib/PS2PatchLib.csproj b/PS2PatchLib/PS2PatchLib.csproj
+index 4de8048..8d2b232 100644
+--- a/PS2PatchLib/PS2PatchLib.csproj
++++ b/PS2PatchLib/PS2PatchLib.csproj
+@@ -1,7 +1,7 @@
+ <Project Sdk="Microsoft.NET.Sdk">
+
+   <PropertyGroup>
+-    <TargetFramework>net6.0</TargetFramework>
++    <TargetFramework>net8.0</TargetFramework>
+     <Nullable>enable</Nullable>
+   </PropertyGroup>
+