diff --git a/backend/requirements.txt b/backend/requirements.txt
index 59f3a76..dd8e08d 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -6,7 +6,7 @@ uvicorn[standard]>=0.34.0
 sqlalchemy>=2.0.36
 
 # Validation & Settings
-pydantic>=2.10.6
+pydantic[email]>=2.10.6
 pydantic-settings>=2.7.1
 python-dotenv>=1.0.1