diff --git a/backend/requirements.txt b/backend/requirements.txt
index 7f08a3d..f091b67 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -4,3 +4,4 @@ SQLAlchemy==2.0.21
 python-dotenv==1.0.0
 openai==0.28.1
 werkzeug==3.0.1
+itsdangerous