diff --git a/pkgs/helix.nix b/pkgs/helix.nix
new file mode 100644
index 0000000..1eb2137
--- /dev/null
+++ b/pkgs/helix.nix
@@ -0,0 +1,41 @@
+{
+  fetchzip,
+  lib,
+  rustPlatform,
+  makeWrapper,
+}:
+rustPlatform.buildRustPackage rec {
+  pname = "helix";
+  version = "22.08.1";
+
+  # This release tarball includes source code for the tree-sitter grammars,
+  # which is not ordinarily part of the repository.
+  src = fetchzip {
+    url = "https://github.com/helix-editor/helix/releases/download/${version}/helix-${version}-source.tar.xz";
+    sha256 = "sha256-pqAhUxKeFN7eebVdNN3Ge38sA30SUSu4Xn4HDZAjjyY=";
+    stripRoot = false;
+  };
+
+  cargoSha256 = "sha256-idItRkymr+cxk3zv2mPBR/frCGvzEUdSAhY7gghfR3M=";
+
+  nativeBuildInputs = [makeWrapper];
+
+  postInstall = ''
+    # not needed at runtime
+    rm -r runtime/grammars/sources
+
+    mkdir -p $out/lib
+    cp -r runtime $out/lib
+  '';
+  postFixup = ''
+    wrapProgram $out/bin/hx --set HELIX_RUNTIME $out/lib/runtime
+  '';
+
+  meta = with lib; {
+    description = "A post-modern modal text editor";
+    homepage = "https://helix-editor.com";
+    license = licenses.mpl20;
+    mainProgram = "hx";
+    maintainers = with maintainers; [danth yusdacra];
+  };
+}
diff --git a/users/malte/helix.nix b/users/malte/helix.nix
index d7f5cd8..99cf4df 100644
--- a/users/malte/helix.nix
+++ b/users/malte/helix.nix
@@ -62,17 +62,26 @@
           args = ["--stdio"];
         };
       }
+      {
+        name = "beancount";
+        language-server = {
+          command = "${pkgs.beancount-language-server}/bin/beancount-language-server";
+          args = ["--stdio"];
+        };
+        config.journal_file = "/home/malte/repos/accounting/main.bean";
+      }
     ];
   };
 in {
   home.packages = with pkgs; [
-    helix
+    (pkgs.callPackage ../../pkgs/helix.nix {})
     # Some helpful language servers
     rnix-lsp
     yaml-language-server
     python-language-server
     nodePackages.bash-language-server
     taplo-lsp
+    beancount
   ];
 
   home.sessionVariables = {