diff --git a/recursos/leccion2/sqlacodegen/sistema/requirements.txt b/recursos/leccion2/sqlacodegen/sistema/requirements.txt
index 606a52f..c7f882c 100644
--- a/recursos/leccion2/sqlacodegen/sistema/requirements.txt
+++ b/recursos/leccion2/sqlacodegen/sistema/requirements.txt
@@ -1,6 +1,6 @@
 # Install the packages from PyPi repository.
 SQLAlchemy>=2.0.23 # For the last test date, version SQLAlchemy==2.0.38 was used.
-python-dotenv==1.0.1
+python-dotenv==1.2.2
 
 sqlacodegen==3.0.0
 # Install the sqlacodegen v3.0.0rc1 from github repo.