diff --git a/build/python/backend/requirements.txt b/build/python/backend/requirements.txt
index 7bb64176..f686d9a8 100644
--- a/build/python/backend/requirements.txt
+++ b/build/python/backend/requirements.txt
@@ -33,7 +33,7 @@ opencv-contrib-python==4.8.1.78
 pdf-object-hashing @ git+https://github.com/0xkyle/pdf_object_hashing.git
 Pillow>=11.2.1
 pi-heif>=0.16.0
-idna==3.10
+idna==3.15
 PyMuPDF==1.23.5
 pefile==2019.4.18
 pgpdump3==1.5.2