diff --git a/deal-flow-agent/requirements.txt b/deal-flow-agent/requirements.txt
index 5dba5df2..921c9d2c 100644
--- a/deal-flow-agent/requirements.txt
+++ b/deal-flow-agent/requirements.txt
@@ -6,7 +6,7 @@ sqlalchemy==2.0.36
 asyncpg==0.30.0
 pgvector==0.3.6
 alembic==1.14.0
-anthropic==0.40.0
+anthropic==0.100.0
 openai==1.57.2
 httpx==0.28.1
 python-dotenv==1.2.2