diff --git a/pkgs/development/python-modules/aspy.yaml/default.nix b/pkgs/development/python-modules/aspy.yaml/default.nix
new file mode 100644
index 000000000000..4f07c09e1598
--- /dev/null
+++ b/pkgs/development/python-modules/aspy.yaml/default.nix
@@ -0,0 +1,22 @@
+{ lib, buildPythonPackage, fetchPypi, pyyaml }:
+
+buildPythonPackage rec {
+  pname = "aspy.yaml";
+  version = "1.1.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1ajb97kn044ximkzq2090h4yblrhw77540pwiw345cp7mwzy4xqa";
+  };
+
+  propagatedBuildInputs = [ pyyaml ];
+
+  # Tests not included in PyPI tarball
+  doCheck = false;
+
+  meta = with lib; {
+    description = "A few extensions to pyyaml";
+    homepage = https://github.com/asottile/aspy.yaml;
+    license = licenses.mit;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index b5715dbfdc89..1aca42963af1 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -186,6 +186,8 @@ in {
 
   asn1crypto = callPackage ../development/python-modules/asn1crypto { };
 
+  aspy-yaml = callPackage ../development/python-modules/aspy.yaml { };
+
   astral = callPackage ../development/python-modules/astral { };
 
   astropy = callPackage ../development/python-modules/astropy {  };