diff --git a/backend/requirements.txt b/backend/requirements.txt
index dbac6a2a..0ab26757 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -14,7 +14,7 @@ PyMuPDF==1.24.2
 pytz>=2024.1
 ocrmypdf==16.2.0
 PyYAML==6.0.1
-cryptography==42.0.5
+cryptography==43.0.1
 fakeredis==2.21.3
 signxml==3.2.2
 pygments==2.17.2