diff --git a/python3.6/base/requirements.txt b/python3.6/base/requirements.txt
index c07e949..dee213f 100644
--- a/python3.6/base/requirements.txt
+++ b/python3.6/base/requirements.txt
@@ -44,7 +44,7 @@ matplotlib==2.0.2
 opencv-python==3.3.0.10
 oss2==2.9.1
 parsel==1.6.0
-protobuf==3.13.0
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pycparser==2.21