diff --git a/.circleci/config.yml b/.circleci/config.yml
index 1d86e802..955b6c6b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -33,7 +33,7 @@ jobs:
       - checkout
       - run:
           name: install dependencies
-          command: pip3 install --user .
+          command: pip3 install --user '.[dev]'
       - run:
           name: run tests
           command: python -m pytest
diff --git a/pyoaev/backends/protocol.py b/pyoaev/backends/protocol.py
index 72cee226..f8a1e0fa 100644
--- a/pyoaev/backends/protocol.py
+++ b/pyoaev/backends/protocol.py
@@ -1,15 +1,9 @@
 import abc
-import sys
-from typing import Any, Dict, Optional, Union
+from typing import Any, Dict, Optional, Protocol, Union
 
 import requests
 from requests_toolbelt.multipart.encoder import MultipartEncoder  # type: ignore
 
-if sys.version_info >= (3, 8):
-    from typing import Protocol
-else:
-    from typing_extensions import Protocol
-
 
 class BackendResponse(Protocol):
     @abc.abstractmethod
diff --git a/pyproject.toml b/pyproject.toml
index 9c376a80..9fe7adb2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,41 +25,27 @@ classifiers = [
     "Topic :: Software Development :: Libraries :: Python Modules"
 ]
 dependencies = [
-    "datefinder (>=0.7.3,<0.8)",
     "pika (>=1.3.0,<1.4.0)",
-    "python-magic (>=0.4.27,<0.5); sys_platform == 'linux' or sys_platform == 'darwin'",
-    "python-magic-bin (>=0.4.14,<0.5); sys_platform == 'win32'",
     "python_json_logger (>=3.3.0,<3.4.0)",
     "PyYAML (>=6.0,<6.1)",
     "pydantic (>=2.13.3,<2.14.0)",
     "pydantic-settings (>=2.14.0,<2.15.0)",
     "requests (>=2.33.0,<2.34.0)",
-    "setuptools (>=82.0.1,<82.1.0)",
-    "cachetools (>=5.5.0,<5.6.0)",
-    "prometheus-client (>=0.22.1,<0.23.0)",
-    "opentelemetry-api (>=1.35.0,<1.36.0)",
-    "opentelemetry-sdk (>=1.35.0,<1.36.0)",
-    # OpenAEV,
     "requests-toolbelt (>=1.0.0,<1.1.0)",
-    "dataclasses-json (>=0.6.4,<0.7.0)",
     "thefuzz (>=0.22,<0.23)",
-    # Ugly fix, we need to fix the CI to use: [dev]
-    "pytest (>=9.0.0,<9.1.0)",
-    "pytest-bdd (>=8.1.0, <8.2.0)",
 ]
 
 [project.optional-dependencies]
 dev = [
     "black (>=26.3.1,<26.4.0)",
     "build (>=1.4.4,<1.5.0)",
+    "coverage>=7.13.5",
     "isort (>=8.0.1,<8.1.0)",
-    "types-pytz (>=2025.2.0.20250326,<2025.3.0.0)",
     "pre-commit (>=4.6.0,<4.7.0)",
-    "types-python-dateutil (>=2.9.0,<2.10.0)",
-    "wheel (>=0.47.0,<0.48.0)",
-    "coverage>=7.13.5",
     "pytest (>=9.0.0,<9.1.0)",
     "pytest-bdd (>=8.1.0, <8.2.0)",
+    "setuptools (>=82.0.1,<82.1.0)",
+    "wheel (>=0.47.0,<0.48.0)",
 ]
 doc = [
     "autoapi (>=2.0.1,<2.1.0)",