diff --git a/pkgs/development/python-modules/pydantic/default.nix b/pkgs/development/python-modules/pydantic/default.nix
new file mode 100644
index 00000000000..9b713827199
--- /dev/null
+++ b/pkgs/development/python-modules/pydantic/default.nix
@@ -0,0 +1,51 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, ujson
+, email_validator
+, typing-extensions
+, python
+, isPy3k
+}:
+
+buildPythonPackage rec {
+  pname = "pydantic";
+  version = "0.31";
+  disabled = !isPy3k;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0x9xc5hpyrlf05dc4bx9f7v51fahxcahkvh0ij8ibay15nwli53d";
+  };
+
+  propagatedBuildInputs = [
+    ujson
+    email_validator
+    typing-extensions
+  ];
+
+  checkPhase = ''
+    ${python.interpreter} -c """
+from datetime import datetime
+from typing import List
+from pydantic import BaseModel
+
+class User(BaseModel):
+    id: int
+    name = 'John Doe'
+    signup_ts: datetime = None
+    friends: List[int] = []
+
+external_data = {'id': '123', 'signup_ts': '2017-06-01 12:22', 'friends': [1, '2', b'3']}
+user = User(**external_data)
+assert user.id is "123"
+"""
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/samuelcolvin/pydantic";
+    description = "Data validation and settings management using Python type hinting";
+    license = licenses.mit;
+    maintainers = with maintainers; [ wd15 ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 941b203b59d..749d2882ff7 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6043,6 +6043,8 @@ in {
 
   uvicorn = callPackage ../development/python-modules/uvicorn { };
 
+  pydantic = callPackage ../development/python-modules/pydantic { };
+
 });
 
 in fix' (extends overrides packages)