diff --git a/backend/requirements.txt b/backend/requirements.txt
index b636162b..c968c8e2 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,16 +1,16 @@
 alembic==1.18.5
 asyncpg==0.31.0
-fastapi==0.138.2
+fastapi==0.139.0
 python-dotenv==1.2.2
 python-jose[cryptography]==3.5.0
 redis==8.0.1
 requests==2.34.2
 sqlalchemy==2.0.51
-strawberry-graphql[fastapi]==0.320.0
-uvicorn[standard]==0.49.0
+strawberry-graphql[fastapi]==0.320.2
+uvicorn[standard]==0.50.2
 influxdb_client==1.50.0
 openpyxl==3.1.5
-tzdata==2025.2
+tzdata==2026.2
 pytest==9.1.1
 pytest-asyncio==1.4.0
 pytest-cov==7.1.0