diff --git a/backend/python/rerankers/requirements.txt b/backend/python/rerankers/requirements.txt
index 931cb1469e44..352fdd5d0ce7 100644
--- a/backend/python/rerankers/requirements.txt
+++ b/backend/python/rerankers/requirements.txt
@@ -1,3 +1,3 @@
-grpcio==1.71.0
+grpcio==1.73.1
 protobuf
 certifi
\ No newline at end of file