diff --git a/flake.lock b/flake.lock
index caf8156..444c096 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,17 +20,17 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1733038015,
-        "narHash": "sha256-kIKqS3093Xz5vuvSLk0x1hqo2pFaGwMjnwr3qrTBkzk=",
+        "lastModified": 1733335574,
+        "narHash": "sha256-F2lOx7b5kTO088Eq2wnb8UZo+S/RGpegObyhf1dEhD0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "767b0e3398fb899d0c88a9f7aecf30dd1cad3166",
+        "rev": "f1a18363305d2314cd9994d22fc13497916aced7",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "767b0e3398fb899d0c88a9f7aecf30dd1cad3166",
+        "rev": "f1a18363305d2314cd9994d22fc13497916aced7",
         "type": "github"
       }
     },
@@ -39,11 +39,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1733103061,
-        "narHash": "sha256-EJcGyrX+6Cp2RF1xwjtQFItxZZ/cM7R7R8viD96wBGU=",
+        "lastModified": 1733352979,
+        "narHash": "sha256-QQhZgADZ2IYXjl9BiCWajOB0KXKzhhS4zrlgu71tqBU=",
         "owner": "nix-ocaml",
         "repo": "nix-overlays",
-        "rev": "bb9da215149cd4172efe6522e6fa399b48bf54fd",
+        "rev": "2680def9838fc1bdc36540f3db2ad666e70fb016",
         "type": "github"
       },
       "original": {
diff --git a/nix/culr-module.nix b/nix/culr-module.nix
index 9fcbfc3..427643e 100644
--- a/nix/culr-module.nix
+++ b/nix/culr-module.nix
@@ -7,15 +7,15 @@
   inherit (lib) mkIf mkEnableOption mkOption types;
   cfg = config.programs.culr;
 in {
-  options.programs.meat = {
+  options.programs.culr = {
     enable = mkEnableOption "culr";
     pattern = mkOption {
-      type = with types; nullOr str;
+      type = with types; either (listOf int) str;
       default = null;
       description = "colourising pattern";
     };
     palette = mkOption {
-      type = with types; nullOr str;
+      type = with types; listOf str;
       default = null;
       description = "palette to use in comma separated RGB hex eg. #0f0f0f";
     };