diff --git a/backend/requirements-prod.txt b/backend/requirements-prod.txt
index bae86cd..fb64fba 100644
--- a/backend/requirements-prod.txt
+++ b/backend/requirements-prod.txt
@@ -13,7 +13,7 @@ asyncpg==0.29.0
 
 # Validation & Settings
 pydantic==2.5.3
-pydantic-settings==2.1.0
+pydantic-settings==2.13.1
 email-validator==2.1.0
 
 # HTTP Client (data ingestion)
diff --git a/backend/requirements.txt b/backend/requirements.txt
index d672161..994375a 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -14,7 +14,7 @@ alembic==1.13.1
 
 # Validation & Serialization
 pydantic==2.5.3
-pydantic-settings==2.1.0
+pydantic-settings==2.13.1
 email-validator==2.1.0
 
 # Authentication