diff --git a/pkgs/development/python-modules/ruff-lsp/default.nix b/pkgs/development/python-modules/ruff-lsp/default.nix
index 7ef48b86fa0b..39deed3b0161 100644
--- a/pkgs/development/python-modules/ruff-lsp/default.nix
+++ b/pkgs/development/python-modules/ruff-lsp/default.nix
@@ -14,14 +14,14 @@
 
 buildPythonPackage rec {
   pname = "ruff-lsp";
-  version = "0.0.24";
+  version = "0.0.27";
   format = "pyproject";
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit version;
     pname = "ruff_lsp";
-    sha256 = "sha256-1he/GYk8O9LqPXH3mu7eGWuRygiDG1OnJ+JNT2Pynzo=";
+    hash = "sha256-Mp5PX87UFUADl/INxZptTsHUBxNpaSRqdsPgRNnLCaQ=";
   };
 
   postPatch = ''
diff --git a/pkgs/development/tools/ruff/default.nix b/pkgs/development/tools/ruff/default.nix
index b1d4e87a4bfd..fa2384b18c7a 100644
--- a/pkgs/development/tools/ruff/default.nix
+++ b/pkgs/development/tools/ruff/default.nix
@@ -5,6 +5,8 @@
 , installShellFiles
 , stdenv
 , darwin
+  # tests
+, ruff-lsp
 }:
 
 rustPlatform.buildRustPackage rec {
@@ -64,6 +66,10 @@ rustPlatform.buildRustPackage rec {
       --zsh <($out/bin/ruff generate-shell-completion zsh)
   '';
 
+  passthru.tests = {
+    inherit ruff-lsp;
+  };
+
   meta = with lib; {
     description = "An extremely fast Python linter";
     homepage = "https://github.com/charliermarsh/ruff";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 879b71698fb8..8eea39db3800 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -39288,7 +39288,9 @@ with pkgs;
 
   rucksack = callPackage ../development/tools/rucksack { };
 
-  ruff = callPackage ../development/tools/ruff { };
+  ruff = callPackage ../development/tools/ruff {
+    inherit (python3.pkgs) ruff-lsp;
+  };
 
   sam-ba = callPackage ../tools/misc/sam-ba { };