diff --git a/pkgs/development/python-modules/yacs/default.nix b/pkgs/development/python-modules/yacs/default.nix
new file mode 100644
index 000000000000..7abf151a08f7
--- /dev/null
+++ b/pkgs/development/python-modules/yacs/default.nix
@@ -0,0 +1,32 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, python
+, pyyaml
+}:
+
+buildPythonPackage rec {
+  pname = "yacs";
+  version = "0.1.8";
+
+  src = fetchFromGitHub {
+    owner = "rbgirshick";
+    repo = "yacs";
+    rev = "v${version}";
+    sha256 = "sha256-nO8FL4tTkfTthXYXxXORLieFwvn780DDxfrxC9EUUJ0=";
+  };
+
+  propagatedBuildInputs = [ pyyaml ];
+
+  pythonImportsCheck = [ "yacs" ];
+  checkPhase = ''
+    ${python.interpreter} yacs/tests.py
+  '';
+
+  meta = with lib; {
+    description = "Yet Another Configuration System";
+    homepage = "https://github.com/rbgirshick/yacs";
+    license = licenses.apsl20;
+    maintainers = with maintainers; [ lucasew ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 51ab213bc37d..a0965f2d554f 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -10545,6 +10545,8 @@ in {
 
   yattag = callPackage ../development/python-modules/yattag { };
 
+  yacs = callPackage ../development/python-modules/yacs { };
+
   ydiff = callPackage ../development/python-modules/ydiff { };
 
   yeelight = callPackage ../development/python-modules/yeelight { };