diff --git a/backend/requirements.txt b/backend/requirements.txt
index 03eeba2a1e..01a74ecb7e 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -29,7 +29,7 @@ pymongo
 redis
 boto3==1.40.5
 
-argon2-cffi==23.1.0
+argon2-cffi==25.1.0
 APScheduler==3.10.4
 
 pycrdt==0.12.25