diff --git a/pkgs/additional/hackgregator/default.nix b/pkgs/additional/hackgregator/default.nix
new file mode 100644
index 00000000..70da5ab7
--- /dev/null
+++ b/pkgs/additional/hackgregator/default.nix
@@ -0,0 +1,46 @@
+{ rustPlatform
+, fetchFromGitLab
+, glib
+, gtk4
+, json-glib
+, libadwaita
+, libsoup_3
+, openssl
+, pkg-config
+, sqlite
+, webkitgtk_6_0
+, wrapGAppsHook4
+}:
+rustPlatform.buildRustPackage rec {
+  pname = "hackgregator";
+  # 0.5.0 uses libhandy + webkitgtk4; master uses libadwaita + webkitgtk6
+  version = "0.5.0-unstable-2023-12-05";
+  src = fetchFromGitLab {
+    owner = "gunibert";
+    repo = "hackgregator";
+    # rev = version;
+    # hash = "sha256-N7pSy4OP5dz8tSjif2d856z557PZjGXWpM+1e30K5pU=";
+    rev = "594bdcdc3919c7216d611ddbbc77ab4d0c1f4f2b";
+    hash = "sha256-RE0x4YWquWAcQzxGk9zdNjEp1pijrBtjV1EMBu9c5cs=";
+  };
+  # cargoHash = "sha256-WWrf3KMBeBCopOvPCTJSecdgOXvxVp8d3/lzvcNE2bk=";
+  cargoHash = "sha256-OPlYFUhAFRHqXS2vad0QYlhcwyyxdxi1kjpTxVlgyxs=";
+
+  nativeBuildInputs = [
+    glib  # for glib_build_tools
+    pkg-config
+    wrapGAppsHook4
+  ];
+  buildInputs = [
+    glib
+    gtk4
+    json-glib
+    libadwaita
+    libsoup_3
+    openssl
+    sqlite
+    webkitgtk_6_0
+  ];
+
+  doCheck = false;  # use of undeclared crate or module `mockito`
+}
diff --git a/pkgs/default.nix b/pkgs/default.nix
index e67a1649..01b87479 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -39,6 +39,7 @@ let
       gpodder = final'.gpodder-adaptive;
     };
     gpodder-configured = callPackage ./additional/gpodder-configured { };
+    hackgregator = callPackage ./additional/hackgregator { };
     jellyfin-media-player-qt6 = callPackage ./additional/jellyfin-media-player-qt6 { };
     koreader-from-src = callPackage ./additional/koreader-from-src { };
     landlock-sandboxer = callPackage ./additional/landlock-sandboxer { };