diff --git a/federated_learning/requirements.txt b/federated_learning/requirements.txt
index ee010f71..71afac20 100644
--- a/federated_learning/requirements.txt
+++ b/federated_learning/requirements.txt
@@ -8,4 +8,4 @@ numpy==1.22.1
 scikit-learn==1.0.2
 jupyter==1.0.0
 iso18245==1.2.0
-protobuf==3.20.0
+protobuf==3.20.2