diff --git a/pkgs/development/python-modules/dncil/default.nix b/pkgs/development/python-modules/dncil/default.nix
new file mode 100644
index 000000000000..d57e491a7876
--- /dev/null
+++ b/pkgs/development/python-modules/dncil/default.nix
@@ -0,0 +1,37 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  pytestCheckHook,
+  pythonOlder,
+  setuptools,
+}:
+
+buildPythonPackage rec {
+  pname = "dncil";
+  version = "1.0.2";
+  pyproject = true;
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "mandiant";
+    repo = "dncil";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-bndkiXkIYTd071J+mgkmJmA+9J5yJ+9/oDfAypN7wYo=";
+  };
+
+  build-system = [ setuptools ];
+
+  nativeCheckInputs = [ pytestCheckHook ];
+
+  pythonImportsCheck = [ "dncil" ];
+
+  meta = {
+    description = "Module to disassemble Common Intermediate Language (CIL) instructions";
+    homepage = "https://github.com/mandiant/dncil";
+    changelog = "https://github.com/mandiant/dncil/releases/tag/v${version}";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 61fd9424c546..5616bdfb4b48 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3624,6 +3624,8 @@ self: super: with self; {
 
   dnachisel = callPackage ../development/python-modules/dnachisel { };
 
+  dncil = callPackage ../development/python-modules/dncil { };
+
   dnf-plugins-core = callPackage ../development/python-modules/dnf-plugins-core { };
 
   dnf4 = callPackage ../development/python-modules/dnf4 { };