diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 87a686b853b..2db15fcf529 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -34,7 +34,7 @@ urllib3>=1.26.5                               # https://github.com/advisories/GH
 
 # SEE https://github.com/ITISFoundation/osparc-simcore/issues/4481
 fastapi<0.100.0
-pydantic<2.0
+pydantic<3.0
 
 # with new released version 1.0.0 (https://github.com/aio-libs/aiozipkin/releases).
 # TODO: includes async features https://docs.sqlalchemy.org/en/14/changelog/migration_20.html