diff --git a/pyproject.toml b/pyproject.toml
index d42d2393..9e1b63e3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ dependencies = [
     "monty>=2024.10.21",
     "mp-api==0.41.2",
     "numpy>=1.26.4",
-    "pydantic-core<=2.23.4",
+    "pydantic-core<=2.41.3",
     "pydantic<=2.9.2",
     "pymatgen>=2024.3.1",
     "tqdm>=4.67.0",