diff --git a/requirements.txt b/requirements.txt
index 920388b..2ad4c3a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ uvicorn[standard]==0.40.0
 
 # Data validation and serialization
 pydantic==2.12.5
-pydantic-settings==2.12.0
+pydantic-settings==2.13.1
 
 # HTTP client for external requests
 httpx==0.28.1