diff --git a/pkgs/development/python-modules/algebraic-data-types/default.nix b/pkgs/development/python-modules/algebraic-data-types/default.nix
new file mode 100644
index 000000000000..4b4986795ce1
--- /dev/null
+++ b/pkgs/development/python-modules/algebraic-data-types/default.nix
@@ -0,0 +1,28 @@
+{ lib, buildPythonPackage, fetchFromGitHub, pythonOlder, hypothesis, mypy }:
+
+buildPythonPackage rec {
+  pname = "algebraic-data-types";
+  version = "0.1.1";
+
+  src = fetchFromGitHub {
+    owner = "jspahrsummers";
+    repo = "adt";
+    rev = "v" + version;
+    sha256 = "1py94jsgh6wch59n9dxnwvk74psbpa1679zfmripa1qfc2218kqi";
+  };
+
+  disabled = pythonOlder "3.6";
+
+  checkInputs = [
+    hypothesis
+    mypy
+  ];
+
+  meta = with lib; {
+    description = "Algebraic data types for Python";
+    homepage = https://github.com/jspahrsummers/adt;
+    license = licenses.mit;
+    maintainers = with maintainers; [ uri-canva ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 8f9f0d6627c0..96da4d2de5c2 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1277,6 +1277,8 @@ in {
 
   addic7ed-cli = callPackage ../development/python-modules/addic7ed-cli { };
 
+  algebraic-data-types = callPackage ../development/python-modules/algebraic-data-types { };
+
   altair = callPackage ../development/python-modules/altair { };
 
   vega = callPackage ../development/python-modules/vega { };