diff --git a/pyproject.toml b/pyproject.toml
index e779a7c..f1c21e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,9 +25,8 @@ classifiers = [
 dependencies = [
     "gymnasium >=1.0.0",
     "numpy >=1.21.0,<2.0",
-    "pygame >=2.1.0",
+    "pygame >=2.1.3",
     "scipy >=1.7.3",
-    "pymoo >=0.6.0",
 ]
 dynamic = ["version"]