diff --git a/pyproject.toml b/pyproject.toml
index 2481ba4d..2ab17410 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,13 +6,13 @@ build-backend = "setuptools.build_meta"
 name = "sumo-rl"
 description="RL environments and learning code for traffic signal control in SUMO."
 readme = "README.md"
-requires-python = ">= 3.7"
+requires-python = ">= 3.8"
 authors = [{ name = "Lucas Alegre", email = "lucasnale@gmail.com" }]
 license = { text = "MIT License" }
 keywords = ["Reinforcement Learning", "Traffic Signal Control", "SUMO", "RL", "PettingZoo", "gymnasium"]
 dependencies = [
-    'gymnasium>=0.26',
-    'pettingzoo>=1.22.2',
+    'gymnasium>=0.28',
+    'pettingzoo>=1.24.3',
     'numpy',
     'pandas',
     'pillow',
@@ -52,7 +52,7 @@ nets = [
 [tool.black]
 safe = true
 line-length = 127
-target-version = ['py38', 'py39', 'py310', 'py311']
+target-version = ['py38', 'py39', 'py310', 'py311', 'py312']
 include = '\.pyi?$'
 
 [tool.isort]