diff --git a/poetry.lock b/poetry.lock
index 1093f28..572cbfa 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -11,9 +11,6 @@ files = [
     {file = "annotated_types-0.7.0.tar.gz", hash = "sha256:aff07c09a53a08bc8cfccb9c85b05f1aa9a2a6f23728d790723543408344ce89"},
 ]
 
-[package.dependencies]
-typing-extensions = {version = ">=4.0.0", markers = "python_version < \"3.9\""}
-
 [[package]]
 name = "anyio"
 version = "4.4.0"
@@ -870,24 +867,6 @@ docs = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "rst.link
 perf = ["ipython"]
 testing = ["flufl.flake8", "importlib-resources (>=1.3)", "jaraco.test (>=5.4)", "packaging", "pyfakefs", "pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=2.2)", "pytest-mypy", "pytest-perf (>=0.9.2)", "pytest-ruff (>=0.2.1)"]
 
-[[package]]
-name = "importlib-resources"
-version = "6.4.0"
-description = "Read resources from Python packages"
-optional = false
-python-versions = ">=3.8"
-files = [
-    {file = "importlib_resources-6.4.0-py3-none-any.whl", hash = "sha256:50d10f043df931902d4194ea07ec57960f66a80449ff867bfe782b4c486ba78c"},
-    {file = "importlib_resources-6.4.0.tar.gz", hash = "sha256:cdb2b453b8046ca4e3798eb1d84f3cce1446a0e8e7b5ef4efb600f19fc398145"},
-]
-
-[package.dependencies]
-zipp = {version = ">=3.1.0", markers = "python_version < \"3.10\""}
-
-[package.extras]
-docs = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "rst.linker (>=1.9)", "sphinx (<7.2.5)", "sphinx (>=3.5)", "sphinx-lint"]
-testing = ["jaraco.test (>=5.4)", "pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=2.2)", "pytest-mypy", "pytest-ruff (>=0.2.1)", "zipp (>=3.17)"]
-
 [[package]]
 name = "iniconfig"
 version = "2.0.0"
@@ -933,7 +912,6 @@ click = "*"
 exceptiongroup = {version = "*", markers = "python_version < \"3.11\""}
 httpx = ">=0.22"
 importlib-metadata = {version = "*", markers = "python_version < \"3.10\""}
-importlib-resources = {version = ">=5.12.0", markers = "python_version < \"3.9\""}
 msgspec = ">=0.18.2"
 multidict = ">=6.0.2"
 polyfactory = ">=2.6.3"
@@ -2087,7 +2065,6 @@ files = [
 [package.dependencies]
 markdown-it-py = ">=2.2.0"
 pygments = ">=2.13.0,<3.0.0"
-typing-extensions = {version = ">=4.0.0,<5.0", markers = "python_version < \"3.9\""}
 
 [package.extras]
 jupyter = ["ipywidgets (>=7.5.1,<9)"]
@@ -2746,5 +2723,5 @@ litestar = ["litestar", "prometheus-client"]
 
 [metadata]
 lock-version = "2.0"
-python-versions = "^3.8"
-content-hash = "681a3768acf1c41f526b17f9c89238fb045014fee7036a3f235e0c4e274a681e"
+python-versions = "^3.9"
+content-hash = "cf672c3c4692f281d23f75162ea6d04c23557551d12a56a59a46d1c41d0f62f3"
diff --git a/pyproject.toml b/pyproject.toml
index a6d295e..668abeb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ readme = "README.md"
 packages = [{ include = "microbootstrap" }]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.9"
 pydantic-settings = "^2.3.4"
 granian = { version = "^1.4.4", extras = ["reload"] }
 # for logging boostrap
@@ -84,7 +84,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.mypy]
 files = ["microbootstrap", "tests"]
-python_version = "3.8"
+python_version = "3.9"
 strict = true
 ignore_missing_imports = true
 pretty = true
@@ -98,7 +98,7 @@ disallow_subclassing_any = false
 disallow_untyped_decorators = false
 
 [tool.ruff]
-target-version = "py38"
+target-version = "py39"
 line-length = 120
 
 [tool.ruff.format]