diff --git a/default.nix b/default.nix
index be339c6..d542bb7 100644
--- a/default.nix
+++ b/default.nix
@@ -10,6 +10,7 @@ let
   claudeCode = pkgs.callPackage "${sources.claude-code-nix}/package.nix" { };
   oraios-pywebview = pkgs.callPackage ./pkgs/oraios-pywebview/package.nix { };
   serena = pkgs.callPackage ./pkgs/serena/package.nix { inherit oraios-pywebview; };
+  fable = pkgs.callPackage ./pkgs/fable/package.nix { };
 
   nixosCfg = import "${sources.nixpkgs}/nixos/lib/eval-config.nix" {
     inherit system;
@@ -93,6 +94,7 @@ let
           environment.systemPackages = with pkgs; [
             claudeCode
             serena
+            fable
             git
             curl
             vim
diff --git a/pkgs/fable/package.nix b/pkgs/fable/package.nix
new file mode 100644
index 0000000..0a80291
--- /dev/null
+++ b/pkgs/fable/package.nix
@@ -0,0 +1,6 @@
+{ buildDotnetGlobalTool }:
+buildDotnetGlobalTool {
+  pname = "fable";
+  version = "4.24.0";
+  nugetHash = "sha256-ERewWqfEyyZKpHFFALpMGJT0fDWywBYY5buU/wTZZTg=";
+}