diff --git a/requirements_doc.txt b/requirements_doc.txt
index a231ec33..a2be308c 100644
--- a/requirements_doc.txt
+++ b/requirements_doc.txt
@@ -7,4 +7,4 @@ h5py==3.14.0
 hdf5plugin==5.1.0
 importlib_resources==6.5.2
 scanspec==0.10.0
-pydantic==2.12.5
+pydantic==2.13.4