diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..5500907
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,13 @@
+[tool.ruff]
+target-version = "py310"
+line-length = 120
+
+[tool.ruff.lint]
+select = ["E", "F", "W", "B", "S"]
+ignore = ["E501", "E701"]
+
+[tool.ruff.lint.per-file-ignores]
+"tests/*" = ["S101", "S105", "S106"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 0000000..b065da0
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1,3 @@
+-r requirements.txt
+pytest==8.4.2
+ruff==0.14.0
diff --git a/requirements.txt b/requirements.txt
index f8fcee1..be6f5c3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-aiogram>=3.0
-aiohttp
-python-dotenv
+aiogram==3.31.0
+aiohttp==3.14.3
+python-dotenv==1.2.1