diff --git a/backend/requirements.txt b/backend/requirements.txt
index c968c8e2..7ccd554c 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -6,11 +6,11 @@ python-jose[cryptography]==3.5.0
 redis==8.0.1
 requests==2.34.2
 sqlalchemy==2.0.51
-strawberry-graphql[fastapi]==0.320.2
-uvicorn[standard]==0.50.2
+strawberry-graphql[fastapi]==0.320.4
+uvicorn[standard]==0.51.0
 influxdb_client==1.50.0
 openpyxl==3.1.5
-tzdata==2026.2
+tzdata==2026.3
 pytest==9.1.1
 pytest-asyncio==1.4.0
 pytest-cov==7.1.0