diff --git a/pkgs/development/python-modules/fastapi/default.nix b/pkgs/development/python-modules/fastapi/default.nix
index fec7d7b6a6dd..cee29c5eba63 100644
--- a/pkgs/development/python-modules/fastapi/default.nix
+++ b/pkgs/development/python-modules/fastapi/default.nix
@@ -61,7 +61,9 @@ buildPythonPackage rec {
     pytest-asyncio
     sqlalchemy
     trio
-  ] ++ passlib.optional-dependencies.bcrypt;
+  ]
+  ++ passlib.optional-dependencies.bcrypt
+  ++ pydantic.optional-dependencies.email;
 
   pytestFlagsArray = [
     # ignoring deprecation warnings to avoid test failure from
diff --git a/pkgs/development/python-modules/pydantic-scim/default.nix b/pkgs/development/python-modules/pydantic-scim/default.nix
new file mode 100644
index 000000000000..06a08cb445af
--- /dev/null
+++ b/pkgs/development/python-modules/pydantic-scim/default.nix
@@ -0,0 +1,48 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pydantic
+, setuptools-scm
+}:
+
+buildPythonPackage rec {
+  pname = "pydantic-scim";
+  version = "0.0.7";
+  format = "setuptools";
+
+  src = fetchFromGitHub {
+    owner = "chalk-ai";
+    repo = "pydantic-scim";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-F+uj7kSz6iSb0Vg00VfJ5GcxghooNDKa75S/ZgU7WgI=";
+  };
+
+  nativeBuildInputs = [
+    setuptools-scm
+  ];
+
+  SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace 'version=get_version(),' 'version="${version}",'
+  '';
+
+  propagatedBuildInputs = [
+    pydantic
+  ] ++ pydantic.optional-dependencies.email;
+
+  pythonImportsCheck = [
+    "pydanticscim"
+  ];
+
+  # no tests
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Pydantic types for SCIM";
+    homepage = "https://github.com/chalk-ai/pydantic-scim";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ hexa ];
+  };
+}
diff --git a/pkgs/development/python-modules/pydantic/default.nix b/pkgs/development/python-modules/pydantic/default.nix
index 2de8e95d8b20..3674c0d74974 100644
--- a/pkgs/development/python-modules/pydantic/default.nix
+++ b/pkgs/development/python-modules/pydantic/default.nix
@@ -31,7 +31,8 @@
 
 buildPythonPackage rec {
   pname = "pydantic";
-  version = "1.10.5";
+  version = "1.10.7";
+  format = "setuptools";
 
   outputs = [
     "out"
@@ -45,7 +46,7 @@ buildPythonPackage rec {
     owner = "samuelcolvin";
     repo = pname;
     rev = "refs/tags/v${version}";
-    hash = "sha256-hcjnFqHTQiCIJh7L9JfpHHTm8GEZ+Vac6HO59cbEpWM=";
+    hash = "sha256-7X7rlHJ5Q01CuB9FZzoUfyfwx6AMXtE1BV5t+LnZKIM=";
   };
 
   postPatch = ''
@@ -75,16 +76,23 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [
     devtools
-    email-validator
     pyupgrade
-    python-dotenv
     typing-extensions
   ];
 
+  passthru.optional-dependencies = {
+    dotenv = [
+      python-dotenv
+    ];
+    email = [
+      email-validator
+    ];
+  };
+
   nativeCheckInputs = [
     pytest-mock
     pytestCheckHook
-  ];
+  ] ++ lib.flatten (lib.attrValues passthru.optional-dependencies);
 
   pytestFlagsArray = [
     # https://github.com/pydantic/pydantic/issues/4817
diff --git a/pkgs/development/python-modules/transmission-rpc/default.nix b/pkgs/development/python-modules/transmission-rpc/default.nix
index 8ee18654ebed..937ff9b07d89 100644
--- a/pkgs/development/python-modules/transmission-rpc/default.nix
+++ b/pkgs/development/python-modules/transmission-rpc/default.nix
@@ -1,13 +1,13 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
-, fetchPypi
 , poetry-core
-, pydantic
 , pytestCheckHook
 , pythonOlder
+, python-dotenv
 , pytz
 , requests
+, typing-extensions
 , yarl
 }:
 
@@ -30,11 +30,12 @@ buildPythonPackage rec {
   ];
 
   propagatedBuildInputs = [
-    pydantic
     requests
+    typing-extensions
   ];
 
   nativeCheckInputs = [
+    python-dotenv
     pytz
     pytestCheckHook
     yarl
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 865fce36e3cd..ae99d6f30d0d 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8152,6 +8152,8 @@ self: super: with self; {
 
   pydantic = callPackage ../development/python-modules/pydantic { };
 
+  pydantic-scim = callPackage ../development/python-modules/pydantic-scim { };
+
   pydash = callPackage ../development/python-modules/pydash { };
 
   pydata-google-auth = callPackage ../development/python-modules/pydata-google-auth { };