diff --git a/requirements.txt b/requirements.txt
index 074833dd..cdde944c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-pymatgen==2023.7.17
+pymatgen==2023.7.20
 scikit-learn==1.3.0
 h5py==3.9.0
 joblib==1.3.1