diff --git a/pkgs/by-name/ll/llm-ls/package.nix b/pkgs/by-name/ll/llm-ls/package.nix
index 821a8a11a8a2..98566af2103f 100644
--- a/pkgs/by-name/ll/llm-ls/package.nix
+++ b/pkgs/by-name/ll/llm-ls/package.nix
@@ -4,24 +4,26 @@
   fetchFromGitHub,
   fetchpatch,
   pkg-config,
+  oniguruma,
   versionCheckHook,
   nix-update-script,
 }:
 
-rustPlatform.buildRustPackage rec {
+rustPlatform.buildRustPackage (finalAttrs: {
   pname = "llm-ls";
   version = "0.5.3";
 
   src = fetchFromGitHub {
     owner = "huggingface";
     repo = "llm-ls";
-    tag = version;
+    tag = finalAttrs.version;
     hash = "sha256-ICMM2kqrHFlKt2/jmE4gum1Eb32afTJkT3IRoqcjJJ8=";
   };
 
   cargoPatches = [
     # https://github.com/huggingface/llm-ls/pull/102
     ./fix-time-compilation-failure.patch
+
     (fetchpatch {
       name = "fix-version.patch";
       url = "https://github.com/huggingface/llm-ls/commit/479401f3a5173f2917a888c8068f84e29b7dceed.patch?full_index=1";
@@ -29,12 +31,18 @@ rustPlatform.buildRustPackage rec {
     })
   ];
 
+  env.RUSTONIG_SYSTEM_LIBONIG = true;
+
   cargoHash = "sha256-qiYspv2KcvzxVshVpAMlSqFDqbbiutpLyWMz+QSIVmQ=";
 
   buildAndTestSubdir = "crates/llm-ls";
 
   nativeBuildInputs = [ pkg-config ];
 
+  buildInputs = [
+    oniguruma
+  ];
+
   nativeInstallCheckInputs = [
     versionCheckHook
   ];
@@ -47,10 +55,10 @@ rustPlatform.buildRustPackage rec {
   meta = {
     description = "LSP server leveraging LLMs for code completion (and more?)";
     homepage = "https://github.com/huggingface/llm-ls";
-    changelog = "https://github.com/huggingface/llm-ls/releases/tag/${version}";
+    changelog = "https://github.com/huggingface/llm-ls/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ jfvillablanca ];
     platforms = lib.platforms.all;
     mainProgram = "llm-ls";
   };
-}
+})