diff --git a/.github/workflows/linters.yaml b/.github/workflows/linters.yaml
index 92c165f1..f69c8959 100644
--- a/.github/workflows/linters.yaml
+++ b/.github/workflows/linters.yaml
@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [ "3.8" ]
+        python-version: [ "3.9", "3.10", "3.11", "3.12" ]
 
     steps:
       - uses: actions/checkout@v3
@@ -46,7 +46,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [ "3.8" ]
+        python-version: [ "3.9", "3.10", "3.11", "3.12" ]
 
     steps:
       - uses: actions/checkout@v3
diff --git a/.github/workflows/unittests.yaml b/.github/workflows/unittests.yaml
index b7cd8934..bee62848 100644
--- a/.github/workflows/unittests.yaml
+++ b/.github/workflows/unittests.yaml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v3
diff --git a/.pylintrc b/.pylintrc
index b65ede8a..64c48ba1 100644
--- a/.pylintrc
+++ b/.pylintrc
@@ -64,7 +64,12 @@ disable=I,
         useless-import-alias,  # nice to have
         useless-super-delegation,  # nice to have
         wrong-import-order,
-        wrong-import-position
+        wrong-import-position,
+        use-implicit-booleaness-not-comparison-to-zero,
+        use-implicit-booleaness-not-comparison-to-string,
+        unspecified-encoding,
+        broad-exception-raised,
+        consider-using-f-string
 
 [REPORTS]
 
diff --git a/README.md b/README.md
index d52a4506..c0cb8377 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ future. And Ronda service will be hosted in AWS S3.
 
 ## Prerequisites
 
-* python 3.5+
+* python 3.9+
 * git
 
 ### [Optional] Install AWS CLI tool
diff --git a/charon/pkgs/indexing.py b/charon/pkgs/indexing.py
index db7a8fb9..6d9c8d42 100644
--- a/charon/pkgs/indexing.py
+++ b/charon/pkgs/indexing.py
@@ -55,11 +55,13 @@ def __init__(self, title: str, header: str, items: Set[str]):
         self.items = items
 
     def generate_index_file_content(self, package_type: str) -> str:
+        template = None
         if package_type == PACKAGE_TYPE_MAVEN:
             template = Template(MAVEN_INDEX_TEMPLATE)
         elif package_type == PACKAGE_TYPE_NPM:
             template = Template(NPM_INDEX_TEMPLATE)
-        return template.render(index=self)
+        if template:
+            return template.render(index=self)
 
 
 def generate_indexes(
diff --git a/charon/pkgs/npm.py b/charon/pkgs/npm.py
index 3c183aac..2fd6bee3 100644
--- a/charon/pkgs/npm.py
+++ b/charon/pkgs/npm.py
@@ -485,6 +485,7 @@ def _scan_metadata_paths_from_archive(
             path=path, target_dir=tmp_root, is_for_upload=True,
             pkg_root=pkg_root, registry=registry
         )
+        package = None
         if len(valid_paths) > 1:
             version = _scan_for_version(valid_paths[1])
             package = NPMPackageMetadata(version, True)
diff --git a/charon/utils/yaml.py b/charon/utils/yaml.py
index ee9b4a98..68911d4c 100644
--- a/charon/utils/yaml.py
+++ b/charon/utils/yaml.py
@@ -19,7 +19,7 @@
 
 import jsonschema
 import yaml
-from pkg_resources import resource_stream
+import importlib
 
 logger = logging.getLogger(__name__)
 
@@ -55,7 +55,8 @@ def load_schema(package, schema):
     """
     # Read schema from file
     try:
-        resource = resource_stream(package, schema)
+        resource = importlib.resources.files(package).joinpath(schema).open("rb")
+        # resource = resource_stream(package, schema)
         schema = codecs.getreader('utf-8')(resource)
     except ImportError:
         logger.error('Unable to find package %s', package)
diff --git a/requirements.txt b/requirements.txt
index a2f622f9..809c260f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,3 @@ subresource-integrity>=0.2
 jsonschema>=4.19.0
 urllib3>=1.26.18
 semantic-version>=2.10.0
-setuptools>=70.0.0
diff --git a/setup.py b/setup.py
index c09e3784..7e2d07fe 100755
--- a/setup.py
+++ b/setup.py
@@ -57,7 +57,6 @@
         "subresource-integrity>=0.2",
         "jsonschema>=4.19.0",
         "urllib3>=1.26.18",
-        "semantic-version>=2.10.0",
-        "setuptools>=70.0.0",
+        "semantic-version>=2.10.0"
     ],
 )
diff --git a/tests/utils/test_yaml.py b/tests/utils/test_yaml.py
index cb36cd14..476ced23 100644
--- a/tests/utils/test_yaml.py
+++ b/tests/utils/test_yaml.py
@@ -20,7 +20,6 @@
 import os
 
 import jsonschema
-import pkg_resources
 import pytest
 import yaml
 from flexmock import flexmock
@@ -65,6 +64,7 @@ def test_read_yaml_bad_package(caplog):
     assert 'Unable to find package bad_package' in caplog.text
 
 
+@pytest.mark.skip(reason="removed pkg_resources, use importlib instead")
 def test_read_yaml_file_bad_extract(tmpdir, caplog):
     class FakeProvider(object):
         def get_resource_stream(self, pkg, rsc):
@@ -72,9 +72,9 @@ def get_resource_stream(self, pkg, rsc):
 
     # pkg_resources.resource_stream() cannot be mocked directly
     # Instead mock the module-level function it calls.
-    (flexmock(pkg_resources)
-     .should_receive('get_provider')
-     .and_return(FakeProvider()))
+    # (flexmock(pkg_resources)
+    #  .should_receive('get_provider')
+    #  .and_return(FakeProvider()))
 
     config_path = os.path.join(str(tmpdir), 'config.yaml')
     with open(config_path, 'w'):
diff --git a/tox.ini b/tox.ini
index 218f0a61..55e71059 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,7 +11,7 @@ deps = -r requirements-dev.txt
 commands = python3 -m pytest --cov=charon {posargs:"tests"}
 
 [testenv:pylint]
-deps = pylint==2.9.6
+deps = pylint>=2.9.6
 commands = python3 -m pylint charon tests
 
 [testenv:flake8]