diff --git a/backend/requirements.txt b/backend/requirements.txt
index cd421a8..284f9ab 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -17,3 +17,4 @@ pymupdf>=1.24
 PyJWT[crypto]>=2.8
 cryptography>=42.0
 httpx>=0.27
+packaging>=24.0