diff --git a/requirements.txt b/requirements.txt
index bd7d44f..1f562a2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 grpcio==1.83.1
-grpclib==0.4.3
+grpclib==0.4.9
 protobuf>=5.27.0,<8.0.0
 hyperledger-fabric-protos>=0.3.7.dev1,<0.4.0
 jsonschema>=4.0.0
\ No newline at end of file