diff --git a/pyproject.toml b/pyproject.toml
index b37c3872..de8c9b39 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ dependencies = [
     "gymnasium",
     "numpy",
     "pandas",
-    "pettingzoo",
+    "pettingzoo>=1.24.0",
     "pytest==7.3.1",
     "pytest-cov",
     "pytest-repeat",