diff --git a/pkgs/decky-loader/prerelease.nix b/pkgs/decky-loader/prerelease.nix
index dd2a3079..988417ba 100644
--- a/pkgs/decky-loader/prerelease.nix
+++ b/pkgs/decky-loader/prerelease.nix
@@ -1,4 +1,22 @@
 { 
   decky-loader,
+  fetchFromGitHub,
+  pnpm,
 }:
-decky-loader
+decky-loader.overridePythonAttrs rec {
+  pname = "decky-loader";
+  version = "3.0.5-pre1";
+
+  src = fetchFromGitHub {
+    owner = "SteamDeckHomebrew";
+    repo = "decky-loader";
+    rev = "v${version}";
+    hash = "sha256-PViSR4q3ZLo0pnrbqzWSOHgYy2QlkKKLWtQcflBIkdU=";
+  };
+
+  pnpmDeps = pnpm.fetchDeps {
+    inherit pname version src;
+    sourceRoot = "${src.name}/frontend";
+    hash = "sha256-26p0RoMfuZRVgTnYWdWK2qJwEJXeGWsBkVhp5TQyfGw=";
+  };
+}