diff --git a/setup.py b/setup.py
index a6bdf7d1..0408a3dc 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@ requirements = [
     "dnfile==0.13.0",
     "dncil==1.0.2",
     "pydantic==1.10.7",
-    "protobuf==4.22.1",
+    "protobuf==4.22.3",
 ]
 
 # this sets __version__