diff --git a/pkgs/development/tools/cmake-language-server/default.nix b/pkgs/development/tools/cmake-language-server/default.nix
new file mode 100644
index 000000000000..943655b881c2
--- /dev/null
+++ b/pkgs/development/tools/cmake-language-server/default.nix
@@ -0,0 +1,31 @@
+{ stdenv, buildPythonApplication, fetchFromGitHub
+, poetry, pygls, pyparsing
+, cmake, pytest, pytest-datadir
+}:
+
+buildPythonApplication rec {
+  pname = "cmake-language-server";
+  version = "0.1.1";
+  format = "pyproject";
+
+  src = fetchFromGitHub {
+    owner = "regen100";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "09rijjksx07inbwxjinrsqihkxb011l2glysasmwpkhy0rmmhbcm";
+  };
+
+  nativeBuildInputs = [ poetry ];
+  propagatedBuildInputs = [ pygls pyparsing ];
+
+  checkInputs = [ cmake pytest pytest-datadir ];
+  dontUseCmakeConfigure = true;
+  checkPhase = "pytest";
+
+  meta = with stdenv.lib; {
+    homepage = "https://github.com/regen100/cmake-language-server";
+    description = "CMake LSP Implementation";
+    license = licenses.mit;
+    maintainers = with maintainers; [ metadark ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e3fa0cfff56e..3e84f95243ed 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10228,6 +10228,8 @@ in
 
   cmake-format = python3Packages.callPackage ../development/tools/cmake-format { };
 
+  cmake-language-server = python3Packages.callPackage ../development/tools/cmake-language-server { };
+
   # Does not actually depend on Qt 5
   inherit (kdeFrameworks) extra-cmake-modules kapidox kdoctools;