diff --git a/dev/flake.lock b/dev/flake.lock
index edcf2df..3e6c2b9 100644
--- a/dev/flake.lock
+++ b/dev/flake.lock
@@ -1,5 +1,132 @@
 {
   "nodes": {
+    "alejandra": {
+      "inputs": {
+        "fenix": "fenix",
+        "flakeCompat": "flakeCompat",
+        "nixpkgs": [
+          "dream2nix",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1658427149,
+        "narHash": "sha256-ToD/1z/q5VHsLMrS2h96vjJoLho59eNRtknOUd19ey8=",
+        "owner": "kamadorueda",
+        "repo": "alejandra",
+        "rev": "f5a22afd2adfb249b4e68e0b33aa1f0fb73fb1be",
+        "type": "github"
+      },
+      "original": {
+        "owner": "kamadorueda",
+        "repo": "alejandra",
+        "type": "github"
+      }
+    },
+    "all-cabal-json": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1665552503,
+        "narHash": "sha256-r14RmRSwzv5c+bWKUDaze6pXM7nOsiz1H8nvFHJvufc=",
+        "owner": "nix-community",
+        "repo": "all-cabal-json",
+        "rev": "d7c0434eebffb305071404edcf9d5cd99703878e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "hackage",
+        "repo": "all-cabal-json",
+        "type": "github"
+      }
+    },
+    "crane": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1661875961,
+        "narHash": "sha256-f1h/2c6Teeu1ofAHWzrS8TwBPcnN+EEu+z1sRVmMQTk=",
+        "owner": "ipetkov",
+        "repo": "crane",
+        "rev": "d9f394e4e20e97c2a60c3ad82c2b6ef99be19e24",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ipetkov",
+        "repo": "crane",
+        "type": "github"
+      }
+    },
+    "devshell": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1663445644,
+        "narHash": "sha256-+xVlcK60x7VY1vRJbNUEAHi17ZuoQxAIH4S4iUFUGBA=",
+        "owner": "numtide",
+        "repo": "devshell",
+        "rev": "e3dc3e21594fe07bdb24bdf1c8657acaa4cb8f66",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "devshell",
+        "type": "github"
+      }
+    },
+    "dream2nix": {
+      "inputs": {
+        "alejandra": "alejandra",
+        "all-cabal-json": "all-cabal-json",
+        "crane": "crane",
+        "devshell": "devshell",
+        "flake-utils-pre-commit": "flake-utils-pre-commit",
+        "ghc-utils": "ghc-utils",
+        "gomod2nix": "gomod2nix",
+        "mach-nix": "mach-nix",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "poetry2nix": "poetry2nix",
+        "pre-commit-hooks": [
+          "pre-commit-hooks-nix"
+        ]
+      },
+      "locked": {
+        "lastModified": 1668037398,
+        "narHash": "sha256-2N/KCus0Stm9qa7rotuvA6QW35KwXERphE5xxgudses=",
+        "owner": "nix-community",
+        "repo": "dream2nix",
+        "rev": "e98ca58528f9b4d1fa8cc3135c02c4306ec81364",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "dream2nix",
+        "type": "github"
+      }
+    },
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "dream2nix",
+          "alejandra",
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1657607339,
+        "narHash": "sha256-HaqoAwlbVVZH2n4P3jN2FFPMpVuhxDy1poNOR7kzODc=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "b814c83d9e6aa5a28d0cf356ecfdafb2505ad37d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
     "flake-parts": {
       "inputs": {
         "nixpkgs-lib": "nixpkgs-lib"
@@ -54,6 +181,21 @@
         "type": "github"
       }
     },
+    "flake-utils-pre-commit": {
+      "locked": {
+        "lastModified": 1644229661,
+        "narHash": "sha256-1YdnJAsNy69bpcjuoKdOYQX0YxZBiCYZo4Twxerqv7k=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "3cecb5b042f7f209c56ffd8371b2711a290ec797",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "flake-utils_2": {
       "locked": {
         "lastModified": 1667077288,
@@ -69,6 +211,54 @@
         "type": "github"
       }
     },
+    "flakeCompat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1650374568,
+        "narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "b4a34015c698c7793d592d66adbab377907a2be8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "ghc-utils": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1662774800,
+        "narHash": "sha256-1Rd2eohGUw/s1tfvkepeYpg8kCEXiIot0RijapUjAkE=",
+        "ref": "refs/heads/master",
+        "rev": "bb3a2d3dc52ff0253fb9c2812bd7aa2da03e0fea",
+        "revCount": 1072,
+        "type": "git",
+        "url": "https://gitlab.haskell.org/bgamari/ghc-utils"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://gitlab.haskell.org/bgamari/ghc-utils"
+      }
+    },
+    "gomod2nix": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1627572165,
+        "narHash": "sha256-MFpwnkvQpauj799b4QTBJQFEddbD02+Ln5k92QyHOSk=",
+        "owner": "tweag",
+        "repo": "gomod2nix",
+        "rev": "67f22dd738d092c6ba88e420350ada0ed4992ae8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "tweag",
+        "repo": "gomod2nix",
+        "type": "github"
+      }
+    },
     "haskell-flake": {
       "locked": {
         "lastModified": 1668167720,
@@ -125,6 +315,21 @@
         "type": "github"
       }
     },
+    "mach-nix": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1634711045,
+        "narHash": "sha256-m5A2Ty88NChLyFhXucECj6+AuiMZPHXNbw+9Kcs7F6Y=",
+        "owner": "DavHau",
+        "repo": "mach-nix",
+        "rev": "4433f74a97b94b596fa6cd9b9c0402104aceef5d",
+        "type": "github"
+      },
+      "original": {
+        "id": "mach-nix",
+        "type": "indirect"
+      }
+    },
     "nix-darwin": {
       "inputs": {
         "nixpkgs": [
@@ -212,6 +417,23 @@
         "type": "github"
       }
     },
+    "poetry2nix": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1632969109,
+        "narHash": "sha256-jPDclkkiAy5m2gGLBlKgH+lQtbF7tL4XxBrbSzw+Ioc=",
+        "owner": "nix-community",
+        "repo": "poetry2nix",
+        "rev": "aee8f04296c39d88155e05d25cfc59dfdd41cc77",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "1.21.0",
+        "repo": "poetry2nix",
+        "type": "github"
+      }
+    },
     "pre-commit-hooks-nix": {
       "inputs": {
         "flake-utils": "flake-utils",
@@ -259,11 +481,29 @@
     },
     "root": {
       "inputs": {
+        "dream2nix": "dream2nix",
         "haskell-flake": "haskell-flake",
         "hercules-ci-effects": "hercules-ci-effects",
         "nixpkgs": "nixpkgs_3",
         "pre-commit-hooks-nix": "pre-commit-hooks-nix_2"
       }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1657557289,
+        "narHash": "sha256-PRW+nUwuqNTRAEa83SfX+7g+g8nQ+2MMbasQ9nt6+UM=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "caf23f29144b371035b864a1017dbc32573ad56d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/dev/flake.nix b/dev/flake.nix
index 05c2990..ae07d5d 100644
--- a/dev/flake.nix
+++ b/dev/flake.nix
@@ -14,6 +14,10 @@
     hercules-ci-effects.url = "github:hercules-ci/hercules-ci-effects";
 
     haskell-flake.url = "github:srid/haskell-flake";
+    haskell-flake.inputs.nixpkgs.follows = "nixpkgs";
+    dream2nix.url = "github:nix-community/dream2nix";
+    dream2nix.inputs.pre-commit-hooks.follows = "pre-commit-hooks-nix";
+    dream2nix.inputs.nixpkgs.follows = "nixpkgs";
   };
 
   outputs = { self, ... }:
diff --git a/site/flake-module.nix b/site/flake-module.nix
index 6e99b56..b5c43d9 100644
--- a/site/flake-module.nix
+++ b/site/flake-module.nix
@@ -9,6 +9,7 @@
           inputs.pre-commit-hooks-nix.flakeModule
           inputs.hercules-ci-effects.flakeModule
           inputs.haskell-flake.flakeModule
+          inputs.dream2nix.flakeModuleBeta
         ];
       };
       opts = eval.options;
@@ -78,6 +79,12 @@
           baseUrl = "https://github.com/srid/haskell-flake/blob/master";
           sourcePath = inputs.haskell-flake;
         };
+        dream2nix = {
+          title = "dream2nix beta";
+          sourceName = "dream2nix";
+          baseUrl = "https://github.com/nix-community/dream2nix/blob/master";
+          sourcePath = inputs.dream2nix;
+        };
       };
 
       generatedDocs = lib.mapAttrs (k: optionsDoc) repos;
diff --git a/site/src/SUMMARY.md b/site/src/SUMMARY.md
index 6c24d4f..712764d 100644
--- a/site/src/SUMMARY.md
+++ b/site/src/SUMMARY.md
@@ -7,6 +7,7 @@
   - [Module Arguments](./module-arguments.md)
   - [Options](./options/flake-parts.md)
     - [Core `flake-parts`](./options/flake-parts.md)
+    - [`dream2nix beta`](./options/dream2nix.md)
     - [`haskell-flake`](./options/haskell-flake.md)
     - [`hercules-ci-effects`](./options/hercules-ci-effects.md)
     - [`pre-commit-hooks.nix`](./options/pre-commit-hooks-nix.md)