diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..375de91
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+__pycache__
+.pytest_cache
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..a2488fe
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,2 @@
+All rights reserved by Piotr Przetacznik
+MIT License
diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..b87be7f
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,8 @@
+recursive-include resources *
+include templates/InitSession.xml
+include templates/invoice_example.xml
+include MANIFEST.in
+include README.md
+include LICENSE.txt
+include requirements.txt
+include pytest.ini
diff --git a/README.md b/README.md
index fb21f05..f905fdb 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,12 @@
 # KSEF utils
 
+## Installing package from source
+
+```Bash
+$ cd ksef-utils
+$ pip install -e .
+```
+
 ## Run tests
 
 ```Bash
@@ -32,7 +39,8 @@ export KSEF_NIP="..."
 
 Run all e2e/functional/current tests
 ```
-$ pytest -svvv test_ksef.py -m "e2e and not ignore"
-$ pytest -svvv test_ksef.py -m "functional and not ignore"
-$ pytest -svvv test_ksef.py -m "current and not ignore"
+$ pytest -svvv tests/test_ksef.py -m "e2e and not ignore"
+$ pytest -svvv tests/test_ksef.py -m "functional and not ignore"
+$ pytest -svvv tests/test_ksef.py -m "current and not ignore"
+$ ./run_tests.sh
 ```
diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..d3827e7
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+1.0
diff --git a/ksef_utils/__init__.py b/ksef_utils/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/config.py b/ksef_utils/config.py
similarity index 92%
rename from config.py
rename to ksef_utils/config.py
index 5e5d852..402024d 100644
--- a/config.py
+++ b/ksef_utils/config.py
@@ -1,7 +1,7 @@
 from os import getenv
 from os.path import join
 import pytz
-from utils import readfile
+from ksef_utils.utils import readfile
 
 
 class Config:
diff --git a/server.py b/ksef_utils/server.py
similarity index 99%
rename from server.py
rename to ksef_utils/server.py
index eb25247..9bd715e 100644
--- a/server.py
+++ b/ksef_utils/server.py
@@ -4,7 +4,7 @@
 import base64
 import hashlib
 import requests
-from utils import (
+from ksef_utils.utils import (
     render_template,
     encrypt,
     iso_to_milliseconds,
diff --git a/utils.py b/ksef_utils/utils.py
similarity index 100%
rename from utils.py
rename to ksef_utils/utils.py
diff --git a/requirements.txt b/requirements.txt
index 301314e..a4e1f07 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 requests
 pytest
+pytest-cov
 Jinja2
 pycryptodome
 lxml
diff --git a/run_tests.sh b/run_tests.sh
new file mode 100755
index 0000000..333947b
--- /dev/null
+++ b/run_tests.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+set -xe
+
+# export TESTS_MARKERS="e2e and not ignore"
+# export TESTS_MARKERS="functional and not ignore"
+export TESTS_MARKERS="current and not ignore"
+
+python \
+  -m pytest \
+  tests \
+  -m "$TESTS_MARKERS" \
+  --cov-report term \
+  --cov=ksef_utils \
+  -svvv
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..6532c09
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,25 @@
+[metadata]
+name = ksef-utils
+version = file:VERSION
+author = Piotr Przetacznik
+author_email = "piotr.przetacznik+ksef@gmail.com",
+long_description = file:README.md
+url = https://github.com/pprzetacznik/ksef-utils
+keywords =
+    invoices
+    ksef
+classifiers =
+    Development Status :: 5 - Production/Stable
+    Environment :: Console
+    Intended Audience :: Developers
+    Intended Audience :: System Administrators
+    Intended Audience :: Financial and Insurance Industry
+    Intended Audience :: End Users/Desktop
+    Intended Audience :: Customer Service
+    License :: Other/Proprietary License
+    Programming Language :: Python :: 3.11
+license_files =
+    LICENSE
+
+[bdist_wheel]
+universal = 0
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..27e262c
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,14 @@
+from os.path import join, dirname
+from setuptools import setup, find_packages
+
+
+def read(fname):
+    with open(join(dirname(__file__), fname)) as f:
+        return f.read()
+
+
+setup(
+    packages=find_packages(),
+    package_data={"": ["*.txt"]},
+    install_requires=read("requirements.txt").splitlines(),
+)
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/conftest.py b/tests/conftest.py
similarity index 87%
rename from conftest.py
rename to tests/conftest.py
index 1a7cc3b..a5de80e 100644
--- a/conftest.py
+++ b/tests/conftest.py
@@ -1,8 +1,8 @@
 import logging
 from os import getenv
 from pytest import fixture
-from server import KSEFServer, KSEFService
-from config import TestConfig, DemoConfig, ProdConfig
+from ksef_utils.server import KSEFServer, KSEFService
+from ksef_utils.config import TestConfig, DemoConfig, ProdConfig
 
 
 @fixture
diff --git a/test_ksef.py b/tests/test_ksef.py
similarity index 98%
rename from test_ksef.py
rename to tests/test_ksef.py
index a95bfac..9a09e45 100644
--- a/test_ksef.py
+++ b/tests/test_ksef.py
@@ -1,8 +1,7 @@
 from datetime import datetime
-from time import sleep
 from json import dumps
 from pytest import mark, fixture
-from utils import format_xml
+from ksef_utils.utils import format_xml
 
 
 @mark.current