diff --git a/requirements.txt b/requirements.txt
index 51c763c..956c0f7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-pymatgen==2023.12.18
+pymatgen==2024.1.27
 emmet-core==0.76.2
 pydantic==2.4.2
 pydantic-core==2.10.1