diff --git a/.gitignore b/.gitignore
index af4f1e7c..b9882f6b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,8 @@
 # Linux
 .*.swp
 
+poetry.lock
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
diff --git a/pynfe/utils/descompactar.py b/pynfe/utils/descompactar.py
index 61d14172..32c7d330 100644
--- a/pynfe/utils/descompactar.py
+++ b/pynfe/utils/descompactar.py
@@ -5,7 +5,6 @@
 
 """
 
-from io import BytesIO
 import base64
 import gzip
 from lxml import etree
@@ -13,18 +12,12 @@
 
 class DescompactaGzip(object):
     @staticmethod
-    def descompacta(stringZipada):
+    def descompacta(stringZipada: str):
         """
         :paramn stringZipada: String
 
         :return : Etree
         """
-        arq = BytesIO()
-        arq.write(base64.b64decode(stringZipada))
-        arq.seek(0)
-        zip = gzip.GzipFile(fileobj=arq)
-        texto = zip.read()
-        arq.close()
-        zip.close()
-        descompactado = texto.decode("utf-8").encode()
-        return etree.fromstring(descompactado)
+        decoded = base64.b64decode(stringZipada)
+        decompress_nfe = gzip.decompress(decoded).decode("utf8")
+        return etree.fromstring(decompress_nfe)
diff --git a/pyproject.toml b/pyproject.toml
index 6ed99424..2f56a155 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,8 +1,46 @@
+[project]
+name = "PyNFe"
+version = "0.4.4"
+description = "Interface library with the Brazilian Electronic Invoice web services"
+authors = [
+    {name = "TadaSoftware",email = " tadasoftware@gmail.com"}
+]
+readme = "README.md"
+requires-python = ">=3.9, <4"
+
+
 [build-system]
 requires = ["setuptools>=42"]
 build-backend = "setuptools.build_meta"
+
 [tool.ruff]
 exclude = [
     'pynfe/entidades/__init__.py'
 ]
-line-length = 100
\ No newline at end of file
+line-length = 100
+
+[tool.poetry.dependencies]
+requests = "^2.32.4"
+signxml = "^4.1.0"
+cryptography = "43.0.3"
+lxml = "5.4.0"
+pyopenssl = "^25.1.0"
+
+[tool.poetry.group.dev.dependencies]
+ruff = "^0.12.5"
+pytest = "^8.4.1"
+taskipy = "^1.14.1"
+pytest-cov = "^6.2.1"
+
+[tool.pytest.ini_options]
+pythonpath = "."
+addopts = '-p no:warnings'
+
+[tool.taskipy.tasks]
+lint = 'ruff check'
+pre_format = 'ruff check --fix'
+format = 'ruff format'
+pre_lint = 'task format'
+pre_test = 'task lint'
+test = 'pytest -s -x --cov=app -vv'
+post_test = 'coverage html'