diff --git a/source/recipes/devshell/haskell-flake/flake.nix b/source/recipes/devshell/haskell-flake/flake.nix
new file mode 100644
index 0000000..0b86c0f
--- /dev/null
+++ b/source/recipes/devshell/haskell-flake/flake.nix
@@ -0,0 +1,33 @@
+{
+  description = "Pandoc build system for maths web";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+    haskell-flake.url = "github:srid/haskell-flake";
+    pandoc-linear-table.url = "/home/amy/github/pandoc-linear-table";
+    pandoc-logic-proof.url = "/home/amy/github/pandoc-logic-proof";
+    pandoc-columns.url = "/home/amy/github/pandoc-columns";
+    pandoc-query.url = "/home/amy/codeberg/pandoc-query";
+  };
+  outputs = inputs@{ self, nixpkgs, flake-parts, pandoc-linear-table, pandoc-logic-proof, pandoc-columns, pandoc-query, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } {
+      systems = nixpkgs.lib.systems.flakeExposed;
+      imports = [ inputs.haskell-flake.flakeModule ];
+
+      perSystem = { self', pkgs, ... }: {
+        haskellProjects.default = {
+	  # use my versions of some Haskell pagkages instead of the nixpkgs versions
+	  packages = {
+	    pandoc-linear-table.source = inputs.pandoc-linear-table;
+	    pandoc-logic-proof.source = inputs.pandoc-logic-proof;
+	    pandoc-columns.source = inputs.pandoc-columns;
+	    pandoc-query.source = inputs.pandoc-query;
+	  };
+	};
+
+        # haskell-flake doesn't set the default package, but you can do it here.
+        packages.default = self'.packages.pandoc-maths-web;
+      };
+    };
+}