diff --git a/legacy/requirements.txt b/legacy/requirements.txt
index 630db42..c281ad0 100644
--- a/legacy/requirements.txt
+++ b/legacy/requirements.txt
@@ -1,5 +1,5 @@
 xmltodict==0.12.0
-urllib3==1.25.9
+urllib3==2.5.0
 dicttoxml==1.7.4
 tqdm==4.46.0
 bibtexparser==1.2.0