diff --git a/requirements.txt b/requirements.txt
index cf419b80..1412d5ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -86,7 +86,7 @@ pybtex==0.24.0
     # via
     #   emmet-core
     #   pymatgen
-pydantic==1.10.12
+pydantic==2.5.2
     # via
     #   emmet-core
     #   pymatgen