diff --git a/docs/release-notes/rl-0.8.md b/docs/release-notes/rl-0.8.md
index 91517f48..39bbce0c 100644
--- a/docs/release-notes/rl-0.8.md
+++ b/docs/release-notes/rl-0.8.md
@@ -337,9 +337,13 @@
 
 [Noah765](https://github.com/Noah765):
 
+[vim-sleuth]: https://github.com/tpope/vim-sleuth
+
 - Add missing `flutter-tools.nvim` dependency `plenary.nvim`.
 - Add necessary dependency of `flutter-tools.nvim` on lsp.
 - Add the `vim.languages.dart.flutter-tools.flutterPackage` option.
+- Fix the type of the `highlight` color options.
+- Add [vim-sleuth] plugin under `vim.utility.sleuth`.
 
 [howird](https://github.com/howird):
 
diff --git a/modules/neovim/init/highlight.nix b/modules/neovim/init/highlight.nix
index 7e992fd1..9c6b7214 100644
--- a/modules/neovim/init/highlight.nix
+++ b/modules/neovim/init/highlight.nix
@@ -5,15 +5,14 @@
 }: let
   inherit (lib.options) mkOption;
   inherit (lib.types) nullOr attrsOf listOf submodule bool ints str enum;
-  inherit (lib.strings) hasPrefix concatLines;
+  inherit (lib.strings) concatLines;
   inherit (lib.attrsets) mapAttrsToList;
   inherit (lib.nvim.dag) entryBetween;
   inherit (lib.nvim.lua) toLuaObject;
-  inherit (lib.nvim.types) hexColor;
 
   mkColorOption = target:
     mkOption {
-      type = nullOr hexColor;
+      type = nullOr str;
       default = null;
       example = "#ebdbb2";
       description = ''
diff --git a/modules/plugins/languages/python.nix b/modules/plugins/languages/python.nix
index d6dec1c2..9905716e 100644
--- a/modules/plugins/languages/python.nix
+++ b/modules/plugins/languages/python.nix
@@ -125,7 +125,7 @@
           end
         end
 
-        dap.configurations.debugpy = {
+        dap.configurations.python = {
           {
             -- The first three options are required by nvim-dap
             type = 'debugpy'; -- the type here established the link to the adapter definition: `dap.adapters.debugpy`
diff --git a/modules/plugins/utility/default.nix b/modules/plugins/utility/default.nix
index 62b07574..e3ae7c5e 100644
--- a/modules/plugins/utility/default.nix
+++ b/modules/plugins/utility/default.nix
@@ -18,6 +18,7 @@
     ./oil-nvim
     ./outline
     ./preview
+    ./sleuth
     ./snacks-nvim
     ./surround
     ./telescope
diff --git a/modules/plugins/utility/sleuth/config.nix b/modules/plugins/utility/sleuth/config.nix
new file mode 100644
index 00000000..d25cc140
--- /dev/null
+++ b/modules/plugins/utility/sleuth/config.nix
@@ -0,0 +1,10 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib.modules) mkIf;
+  cfg = config.vim.utility.sleuth;
+in {
+  vim.startPlugins = mkIf cfg.enable ["vim-sleuth"];
+}
diff --git a/modules/plugins/utility/sleuth/default.nix b/modules/plugins/utility/sleuth/default.nix
new file mode 100644
index 00000000..04cb4158
--- /dev/null
+++ b/modules/plugins/utility/sleuth/default.nix
@@ -0,0 +1,6 @@
+{
+  imports = [
+    ./config.nix
+    ./sleuth.nix
+  ];
+}
diff --git a/modules/plugins/utility/sleuth/sleuth.nix b/modules/plugins/utility/sleuth/sleuth.nix
new file mode 100644
index 00000000..a86d414d
--- /dev/null
+++ b/modules/plugins/utility/sleuth/sleuth.nix
@@ -0,0 +1,7 @@
+{lib, ...}: let
+  inherit (lib.options) mkEnableOption;
+in {
+  options.vim.utility.sleuth.enable = mkEnableOption ''
+    automatically adjusting options such as `shiftwidth` or `expandtab`, using `vim-sleuth`
+  '';
+}
diff --git a/npins/sources.json b/npins/sources.json
index 41c9d7b4..0fe81d49 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -2420,6 +2420,19 @@
       "url": "https://github.com/tpope/vim-repeat/archive/65846025c15494983dafe5e3b46c8f88ab2e9635.tar.gz",
       "hash": "0n8sx6s2sbjb21dv9j6y5lyqda9vvxraffg2jz423daamn96dxqv"
     },
+    "vim-sleuth": {
+      "type": "Git",
+      "repository": {
+        "type": "GitHub",
+        "owner": "tpope",
+        "repo": "vim-sleuth"
+      },
+      "branch": "master",
+      "submodules": false,
+      "revision": "be69bff86754b1aa5adcbb527d7fcd1635a84080",
+      "url": "https://github.com/tpope/vim-sleuth/archive/be69bff86754b1aa5adcbb527d7fcd1635a84080.tar.gz",
+      "hash": "0wqxdjgplf04nq428ialw1w03f8nh5vb629a17vl5gc9gf3zfanq"
+    },
     "vim-startify": {
       "type": "Git",
       "repository": {