diff --git a/python/requirements.txt b/python/requirements.txt
index f330a8ce4..f9abb9375 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,5 +1,5 @@
 2to3
 matplotlib>=2.0.1
 numpy>=1.18.4
-protobuf==3.16.0
+protobuf==3.18.3
 python-dotenv>=0.20.0