diff --git a/pyproject.toml b/pyproject.toml
index d42d2393..da31db89 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ dependencies = [
     "mp-api==0.41.2",
     "numpy>=1.26.4",
     "pydantic-core<=2.23.4",
-    "pydantic<=2.9.2",
+    "pydantic<=2.12.0",
     "pymatgen>=2024.3.1",
     "tqdm>=4.67.0",
 ]