diff --git a/pkgs/development/python-modules/cfgv/default.nix b/pkgs/development/python-modules/cfgv/default.nix
new file mode 100644
index 000000000000..2212486978de
--- /dev/null
+++ b/pkgs/development/python-modules/cfgv/default.nix
@@ -0,0 +1,22 @@
+{ lib, buildPythonPackage, fetchPypi, six }:
+
+buildPythonPackage rec {
+  pname = "cfgv";
+  version = "1.1.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1akm5xdbi5kckgnhhfj6qavjwakm44cwqzhfx2ycgh7mkym1qyfi";
+  };
+
+  propagatedBuildInputs = [ six ];
+
+  # Tests not included in PyPI tarball
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Validate configuration and produce human readable error messages";
+    homepage = https://github.com/asottile/cfgv;
+    license = licenses.mit;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 83e0a353f85b..b5715dbfdc89 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1520,6 +1520,8 @@ in {
 
   cherrypy = callPackage ../development/python-modules/cherrypy {};
 
+  cfgv = callPackage ../development/python-modules/cfgv { };
+
   cftime = callPackage ../development/python-modules/cftime {};
 
   cjson = callPackage ../development/python-modules/cjson { };