diff --git a/Browser/requirements.txt b/Browser/requirements.txt
index 264de6f37..8429b2bf5 100644
--- a/Browser/requirements.txt
+++ b/Browser/requirements.txt
@@ -1,7 +1,7 @@
 backports.cached-property >= 1.0.0
 grpcio == 1.34.1
 grpcio-tools == 1.34.1
-protobuf==3.14.0
+protobuf==3.15.6
 robotframework >=3.2.2
 robotframework-pythonlibcore >=2.1.0
 typing-extensions >= 3.7.4.3