diff --git a/requirements.txt b/requirements.txt
index dd825fb..dd7f2f7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ celery[redis]~=5.4.0
 SQLAlchemy~=2.0.31
 neo4j~=5.22.0
 networkx~=3.3
-pydantic~=2.8.2
+pydantic~=1.9.1
 python-dotenv~=1.0.1
 dnspython~=2.6.1
 idna~=3.7
@@ -38,7 +38,6 @@ MarkupSafe~=2.1.5
 uvloop~=0.19.0
 starlette~=0.37.2
 email_validator~=2.2.0
-pydantic_core~=2.20.1
 websockets~=12.0
 urllib3~=2.2.2
 uvicorn~=0.30.3