diff --git a/requirements.txt b/requirements.txt
index 6f782a6c3307f2433c9b4bbc2b12cc5be56021e3..4d3a2a287b569a2a084745514e1faef416ac5def 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,7 @@ gunicorn>=20.1.0
 orjson>=3.9.0
 pandas>=2.0.0rc1
 psycopg2>=2.9.3
+pydantic<2.0.0
 pytest>=7.0.1
 pytest-cov>=3.0.0
 pytest-dotenv>=0.5.2