diff --git a/pyproject.toml b/pyproject.toml
index 00a2fa7b..bfcf21f5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ dependencies = [
     "cython>=3",
     "numpy>=1.26,<2",
     "nvidia-ml-py3>=7.352.0",
-    "pymatgen<2024.9.10",
+    "pymatgen==2024.8.9",
     "torch>=1.11.0",
     "typing-extensions>=4.12",
 ]