diff --git a/README.md b/README.md
index 247aba2..0f46b8b 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Link do Curso [python Pro](https://plataforma.dev.pro.br/)
 [![Updates](https://pyup.io/repos/github/charlesnoamlael/charles_libpythonpro/shield.svg)](https://pyup.io/repos/github/charlesnoamlael/charles_libpythonpro/)
 [![Python 3](https://pyup.io/repos/github/charlesnoamlael/charles_libpythonpro/python-3-shield.svg)](https://pyup.io/repos/github/charlesnoamlael/charles_libpythonpro/)
 [![codecov](https://codecov.io/gh/charlesnoamlael/charles_libpythonpro/branch/charles_silva/graph/badge.svg?token=M95VIR4V6O)](https://codecov.io/gh/charlesnoamlael/charles_libpythonpro)
-suportada a versão 3 de python
+suportada a versão 3.7 de python
 
 para instalar:
 '''console
diff --git a/requirements-dev.txt b/requirements-dev.txt
index d27300e..59ec280 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,7 +6,7 @@ requests==2.26.0
 
 # Deps do pytestt
 pytest==6.2.4
-py==1.8.2
+py==1.9.0
 pyparsing==2.0.2
 atomicwrites==1.0
 pluggy<1.0.0a1,>=0.12
@@ -16,4 +16,4 @@ atomicwrites==1.0
 
 # Coverage
 coverage==5.2.1
-pytest-cov==2.12.1
+pytest-cov==2.12.1
\ No newline at end of file