diff --git a/pkgs/development/python-modules/datamodel-code-generator/default.nix b/pkgs/development/python-modules/datamodel-code-generator/default.nix
index 03a7611f9453..e542fbc0acbb 100644
--- a/pkgs/development/python-modules/datamodel-code-generator/default.nix
+++ b/pkgs/development/python-modules/datamodel-code-generator/default.nix
@@ -3,15 +3,21 @@
   argcomplete,
   black,
   buildPythonPackage,
+  email-validator,
   fetchFromGitHub,
   genson,
   graphql-core,
+  grpcio-tools,
   hatch-vcs,
   hatchling,
   httpx,
+  hypothesis,
+  hypothesis-jsonschema,
   inflect,
   inline-snapshot,
   isort,
+  jsonschema,
+  msgspec,
   jinja2,
   openapi-spec-validator,
   packaging,
@@ -20,6 +26,8 @@
   pydantic,
   pysnooper,
   pytest-mock,
+  pytest-timeout,
+  pytest-xdist,
   pytestCheckHook,
   pyyaml,
   time-machine,
@@ -28,14 +36,14 @@
 
 buildPythonPackage rec {
   pname = "datamodel-code-generator";
-  version = "0.55.0";
+  version = "0.71.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "koxudaxi";
     repo = "datamodel-code-generator";
     tag = version;
-    hash = "sha256-zsLJv7gKhmnEIS/AUvnBzm+07QFQoMdiFo/PkfRyHek=";
+    hash = "sha256-0vh/iynZzmMzvdUXNScb+JWANdSrzPLT1qt+jyKleg4=";
   };
 
   pythonRelaxDeps = [
@@ -65,6 +73,7 @@ buildPythonPackage rec {
     debug = [ pysnooper ];
     graphql = [ graphql-core ];
     http = [ httpx ];
+    protobuf = [ grpcio-tools ];
     ruff = [ ruff ];
     validation = [
       openapi-spec-validator
@@ -76,20 +85,31 @@ buildPythonPackage rec {
   };
 
   nativeCheckInputs = [
+    email-validator
     inline-snapshot
+    hypothesis
+    hypothesis-jsonschema
+    jsonschema
+    msgspec
     pytest-mock
+    pytest-timeout
+    pytest-xdist
     pytestCheckHook
     time-machine
   ]
   ++ optional-dependencies.all;
 
-  pythonImportsCheck = [ "datamodel_code_generator" ];
+  pytestFlags = [
+    "--maxfail=2"
+  ];
 
   disabledTests = [
     # remote testing, name resolution failure.
     "test_openapi_parser_parse_remote_ref"
   ];
 
+  pythonImportsCheck = [ "datamodel_code_generator" ];
+
   meta = {
     description = "Pydantic model and dataclasses.dataclass generator for easy conversion of JSON, OpenAPI, JSON Schema, and YAML data sources";
     homepage = "https://github.com/koxudaxi/datamodel-code-generator";
diff --git a/pkgs/development/python-modules/hypothesis-jsonschema/default.nix b/pkgs/development/python-modules/hypothesis-jsonschema/default.nix
new file mode 100644
index 000000000000..e57b566a2874
--- /dev/null
+++ b/pkgs/development/python-modules/hypothesis-jsonschema/default.nix
@@ -0,0 +1,50 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchPypi,
+  setuptools,
+  hypothesis,
+  jsonschema,
+  pytest-cov-stub,
+  pytestCheckHook,
+}:
+
+buildPythonPackage (finalAttrs: {
+  pname = "hypothesis-jsonschema";
+  version = "0.23.1";
+  pyproject = true;
+
+  __structuredAttrs = true;
+
+  # no git tags
+  src = fetchPypi {
+    inherit (finalAttrs) pname version;
+    hash = "sha256-9KwDICQ0KkFJoQJTmE9aVza4Kz/ir7CIjzg0oxFT8hU=";
+  };
+
+  build-system = [
+    setuptools
+  ];
+
+  dependencies = [
+    hypothesis
+    jsonschema
+  ];
+
+  doCheck = false; # sdist does not include everything to run the tests
+
+  nativeCheckInputs = [
+    pytest-cov-stub
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "hypothesis_jsonschema"
+  ];
+
+  meta = {
+    description = "Generate test data from JSON schemata with Hypothesis";
+    homepage = "https://github.com/Zac-HD/hypothesis-jsonschema";
+    license = lib.licenses.mpl20;
+  };
+})
diff --git a/pkgs/development/python-modules/inline-snapshot/default.nix b/pkgs/development/python-modules/inline-snapshot/default.nix
index 56968ab958bb..fd694d13f53d 100644
--- a/pkgs/development/python-modules/inline-snapshot/default.nix
+++ b/pkgs/development/python-modules/inline-snapshot/default.nix
@@ -21,14 +21,14 @@
 
 buildPythonPackage rec {
   pname = "inline-snapshot";
-  version = "0.32.5";
+  version = "0.34.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "15r10nk";
     repo = "inline-snapshot";
     tag = version;
-    hash = "sha256-xnooMIm0UiNOWrZ4JZwbpFzliGsTF7b1DAXi1fxMb30=";
+    hash = "sha256-4Uvc925/6RxJRHjP3SZaB7T+gqky5KlL9agHy/14Jd0=";
   };
 
   build-system = [ hatchling ];
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d9c591a5212e..9d6de4f04834 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7415,6 +7415,8 @@ self: super: with self; {
 
   hypothesis-auto = callPackage ../development/python-modules/hypothesis-auto { };
 
+  hypothesis-jsonschema = callPackage ../development/python-modules/hypothesis-jsonschema { };
+
   hypothesis_6_136 = callPackage ../development/python-modules/hypothesis/hypothesis_6_136.nix { };
 
   hypothesmith = callPackage ../development/python-modules/hypothesmith { };