diff --git a/nix/darwin/flake.lock b/nix/darwin/flake.lock
index 6f884ee..d05dd08 100644
--- a/nix/darwin/flake.lock
+++ b/nix/darwin/flake.lock
@@ -113,6 +113,22 @@
         "type": "github"
       }
     },
+    "flake-compat_3": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1673956053,
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "locked": {
         "lastModified": 1644229661,
@@ -173,6 +189,45 @@
         "type": "github"
       }
     },
+    "flake-utils_5": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1681202837,
+        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "sile-flake",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1660459072,
+        "narHash": "sha256-8DFJjXG8zqoONA1vXtgeKXy68KdJL5UaXR8NtVMUbx8=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "a20de23b925fd8264fd7fad6454652e142fd7f73",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
     "jj": {
       "inputs": {
         "nixpkgs": "nixpkgs_3"
@@ -191,6 +246,22 @@
         "type": "github"
       }
     },
+    "libtexpdf-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1662109873,
+        "narHash": "sha256-yThIb+D/m1xeJZESojRd3u4OugbWl7f2s8oJohspwZs=",
+        "owner": "sile-typesetter",
+        "repo": "libtexpdf",
+        "rev": "736a5e7530c13582ea704a061a358d0caa774916",
+        "type": "github"
+      },
+      "original": {
+        "owner": "sile-typesetter",
+        "repo": "libtexpdf",
+        "type": "github"
+      }
+    },
     "naersk": {
       "inputs": {
         "nixpkgs": "nixpkgs_2"
@@ -243,22 +314,6 @@
         "type": "github"
       }
     },
-    "nixpkgs-lua": {
-      "locked": {
-        "lastModified": 1677676435,
-        "narHash": "sha256-6FxdcmQr5JeZqsQvfinIMr0XcTyTuR7EXX0H3ANShpQ=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "a08d6979dd7c82c4cef0dcc6ac45ab16051c1169",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "a08d6979dd7c82c4cef0dcc6ac45ab16051c1169",
-        "type": "github"
-      }
-    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1645937171,
@@ -332,6 +387,22 @@
         "type": "github"
       }
     },
+    "nixpkgs_7": {
+      "locked": {
+        "lastModified": 1682109806,
+        "narHash": "sha256-d9g7RKNShMLboTWwukM+RObDWWpHKaqTYXB48clBWXI=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "2362848adf8def2866fabbffc50462e929d7fffb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "agenix": "agenix",
@@ -339,9 +410,9 @@
         "durnitisp": "durnitisp",
         "jj": "jj",
         "nixpkgs": "nixpkgs_4",
-        "nixpkgs-lua": "nixpkgs-lua",
         "runwhen": "runwhen",
-        "rust-overlay": "rust-overlay_2"
+        "rust-overlay": "rust-overlay_2",
+        "sile-flake": "sile-flake"
       }
     },
     "runwhen": {
@@ -393,7 +464,7 @@
       "inputs": {
         "flake-utils": "flake-utils_4",
         "nixpkgs": [
-          "nixpkgs-lua"
+          "nixpkgs"
         ]
       },
       "locked": {
@@ -409,6 +480,43 @@
         "repo": "rust-overlay",
         "type": "github"
       }
+    },
+    "sile-flake": {
+      "inputs": {
+        "flake-compat": "flake-compat_3",
+        "flake-utils": "flake-utils_5",
+        "gitignore": "gitignore",
+        "libtexpdf-src": "libtexpdf-src",
+        "nixpkgs": "nixpkgs_7"
+      },
+      "locked": {
+        "lastModified": 1685738177,
+        "narHash": "sha256-FbLjS7LvgvwZ84F7x79J8YIbqA/VI5+4XOqoonDqzDU=",
+        "owner": "sile-typesetter",
+        "repo": "sile",
+        "rev": "c7320e450ff0319b920fef29af0eb59d79f2fbc5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "sile-typesetter",
+        "repo": "sile",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/nix/darwin/flake.nix b/nix/darwin/flake.nix
index 29fbe41..709ab7d 100644
--- a/nix/darwin/flake.nix
+++ b/nix/darwin/flake.nix
@@ -1,38 +1,34 @@
 {
 
   inputs = {
-    # NOTE(jwall): Pinning this to a fixed version of lua on darwin for now.
-    nixpkgs-lua.url = "github:nixos/nixpkgs?rev=a08d6979dd7c82c4cef0dcc6ac45ab16051c1169";
     nixpkgs.url = "github:nixos/nixpkgs/release-23.05";
     darwin.url = "github:lnl7/nix-darwin";
     darwin.inputs.nixpkgs.follows = "nixpkgs";
+    sile-flake.url = "github:sile-typesetter/sile";
     runwhen.url = "github:zaphar/runwhen?ref=v0.0.5";
-    #nil.url = "github:oxalica/nil/2023-05-09";
     durnitisp.url = "github:zaphar/durnitisp";
     agenix.url = "github:ryantm/agenix";
     rust-overlay = {
       url = "github:oxalica/rust-overlay";
-      inputs.nixpkgs.follows = "nixpkgs-lua";
+      inputs.nixpkgs.follows = "nixpkgs";
     };
     jj.url = "github:martinvonz/jj";
   };
 
   outputs = {self,
     nixpkgs,
-    nixpkgs-lua,
+    sile-flake,
     darwin,
     runwhen,
     durnitisp,
     rust-overlay,
     jj,
     agenix,
-    #nil,
   }:
   let
     forSystem = (system:
       let
         pkgs = import nixpkgs { inherit system; };
-        pkgs-lua = import nixpkgs-lua { inherit system; };
       in
       darwin.lib.darwinSystem rec {
         inherit system;
@@ -44,11 +40,9 @@
           runwhen = runwhen.defaultPackage."${system}";
           durnitisp = durnitisp.defaultPackage."${system}";
           rust-overlay = rust-overlay.overlay;
-          #TODO(jwall): when the libtexpdf issue is fixed we can stop doing this
-          sile = pkgs-lua.sile.overrideAttrs(oldAttrs: { doCheck = false; meta.broken = false; });
+          sile = sile-flake.defaultPackage.${system};
           jj = jj.defaultPackage."${system}";
           age = agenix.packages."${system}".default;
-          #nil = nil.packages."${system}".default;
         };
       });
   in