diff --git a/borealis/setup/requirements.txt b/borealis/setup/requirements.txt
index 80acbe0..92d9004 100644
--- a/borealis/setup/requirements.txt
+++ b/borealis/setup/requirements.txt
@@ -36,7 +36,7 @@ monty==2021.3.3
 packaging==20.9
 pbr==5.5.1
 proto-plus==1.18.1
-protobuf==3.15.8
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pycparser==2.20