diff --git a/backend/requirements.txt b/backend/requirements.txt
index 4ae87a1..b7a6356 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -2,12 +2,12 @@ fastapi==0.115.0
 uvicorn[standard]==0.30.6
 pydantic==2.8.2
 email-validator==2.2.0
-python-jose[cryptography]==3.3.0
+python-jose[cryptography]==3.4.0
 passlib[bcrypt]==1.7.4
 pymongo==4.10.1
-python-dotenv==1.0.1
+python-dotenv==1.2.2
 numpy>=2.3.0,<3
 scikit-learn==1.5.2
-pytest==8.3.2
+pytest==9.0.3
 httpx==0.27.2
-torch==2.4.0; python_version < "3.13"
+torch==2.12.1; python_version < "3.13"